.activity {
    background: #efefef;
    padding: 0 50px;
    overflow-x: hidden;
}

    .activity .wrapper {
        width: 100%;
        max-width: 1060px;
        margin: 0 auto;
        text-align: center;
        padding: 0;
    }

        .activity .wrapper.top {
            overflow: hidden;
            padding-top: 50px;
        }

        .activity .wrapper.bottom {
            padding-top: 20px;
            padding-bottom: 50px;
        }

        .activity .wrapper.top.bottom {
            overflow: hidden;
            padding: 50px 0;
        }

    .activity h3, .activity h4, .activity p {
        font-family: 'Roboto', sans-serif;
    }

    .activity h2 {
        margin: 0;
        font-size: 48px;
        font-weight: 300;
        padding-bottom: 20px;
        border-bottom: 1px #cccccc solid;
    }

    .activity h3 {
        margin: 0 auto 28px auto;
        font-size: 30px;
        color: #0e91bb;
        text-transform: uppercase;
        width: 200px;
        position: relative;
    }

        .activity h3:before, .activity h3:after {
            content: '';
            display: block;
            position: absolute;
            width: 540px;
            height: 14px;
            background: url("../images/slants.png") repeat-x left top;
            top: 5px;
        }

        .activity h3:before {
            left: -540px;
        }

        .activity h3:after {
            right: -540px;
        }

    .activity p {
        font-size: 20px;
        color: #333;
        font-weight: 700;
    }

    .activity li {
        list-style-type: none;
    }

    .activity .content {
        position: relative;
    }

    .activity .map-image {
        display: none;
    }

    .activity .scrubber {
        width: 30px;
        height: 320px;
        position: absolute;
        bottom: 0;
        left: -14px;
        z-index: 2;
        cursor: move;
    }

        .activity .scrubber:before {
            content: '';
            width: 18px;
            height: 12px;
            overflow: hidden;
            background-image: url("../images/sprite.png");
            background-repeat: no-repeat;
            display: inline-block;
            display: block;
            background-position: -190px -20px;
            position: absolute;
            top: 10px;
            left: 6px;
        }

        .activity .scrubber:after {
            content: '';
            width: 2px;
            height: 320px;
            position: absolute;
            bottom: 0;
            left: 14px;
            background: #018bb9;
        }

    .activity .timeline {
        width: 100%;
        height: 24px;
        margin: 0;
        padding: 0;
        position: relative;
        border-top: 2px #666 solid;
        text-align: left;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -khtml-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }

        .activity .timeline li {
            padding-top: 10px;
            color: #666;
            position: absolute;
            display: block;
            font-size: 16px;
        }

            .activity .timeline li:after {
                content: '';
                background: #666;
                display: block;
                width: 2px;
                height: 11px;
                position: absolute;
                top: -5px;
                left: -webkit-calc(50% - 1px);
                left: calc(50% - 1px);
                z-index: 1;
            }

    .activity .anchor-points {
        width: 100%;
        height: 24px;
        margin: 0;
        padding: 0;
        position: relative;
    }

        .activity .anchor-points li {
            position: absolute;
            display: block;
        }

            .activity .anchor-points li a {
                display: block;
                position: relative;
                cursor: pointer;
                width: 18px;
                height: 18px;
                top: -6px;
                border: 2px #008cba solid;
                border-radius: 50%;
                background: #efefef;
            }

            .activity .anchor-points li a.active {
                top: -6px;
            }

                .activity .anchor-points li a:after {
                    content: '';
                    position: absolute;
                    width: 8px;
                    height: 8px;
                    background: #008cba;
                    border-radius: 4px;
                    top: 3px;
                    left: -webkit-calc(50% - 4px);
                    left: calc(50% - 4px);
                }

                .activity .anchor-points li a.active {
                    border: 2px #555555 solid;
                }

                .activity .anchor-points li a.active:after {
                    background: #555555;
                }

    .activity .flip-view {
        text-align: left;
    }

        .activity .flip-view .flip-list {
            margin: 0 auto;
            padding: 0;
            width: 100%;
            max-width: 1025px;
            position: relative;
            left: 2px;
        }

            .activity .flip-view .flip-list:after {
                visibility: hidden;
                display: block;
                font-size: 0;
                content: " ";
                clear: both;
                height: 0;
            }

            .activity .flip-view .flip-list li {
                text-align: center;
                list-style-type: none;
                width: -webkit-calc(20% - 5px);
                width: calc(20% - 5px);
                height: 200px;
                display: inline-block;
                margin: 0 5px 5px 0;
                position: relative;
                z-index: 0;
                border-radius: 1px;
                -webkit-perspective: 800px;
                perspective: 800px;
                -webkit-touch-callout: none;
                -webkit-user-select: none;
                -khtml-user-select: none;
                -moz-user-select: none;
                -ms-user-select: none;
                user-select: none;
                -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0);
                float: left;
            }

                .activity .flip-view .flip-list li.flipped {
                    z-index: 2;
                }

                    .activity .flip-view .flip-list li.flipped .card {
                        -webkit-transform: rotateY(180deg);
                        transform: rotateY(180deg);
                        z-index: 2;
                    }

                .activity .flip-view .flip-list li .card {
                    width: 100%;
                    height: 100%;
                    position: absolute;
                    top: 0;
                    left: 0;
                    -webkit-transform-style: preserve-3d;
                    transform-style: preserve-3d;
                    -webkit-transition: -webkit-transform 0.3s ease-out;
                    transition: transform 0.3s ease-out;
                    z-index: 1;
                }

                    .activity .flip-view .flip-list li .card .face {
                        width: -webkit-calc(100% + 1px);
                        width: calc(100% + 1px);
                        height: -webkit-calc(100% + 1px);
                        height: calc(100% + 1px);
                        position: absolute;
                        top: -1px;
                        left: -1px;
                        -webkit-backface-visibility: hidden;
                        backface-visibility: hidden;
                        border: 1px #999 solid;
                        cursor: pointer;
                        -webkit-transform: translate3d(0, 0, 0);
                        transform: translate3d(0, 0, 0);
                    }

                        .activity .flip-view .flip-list li .card .face.front {
                            z-index: 0;
                            background: #f0f0f0;
                            background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f0f0f0), color-stop(100%, #d7d7d7));
                            background: -webkit-linear-gradient(top, #f0f0f0 0%, #d7d7d7 100%);
                            background: linear-gradient(to bottom, #f0f0f0 0%, #d7d7d7 100%);
                        }

                        .activity .flip-view .flip-list li .card .face.back {
                            z-index: 1;
                            background: #008cb9;
                            text-align: left;
                            color: #fff;
                            padding: 10px;
                            -webkit-transform: rotateY(180deg);
                            transform: rotateY(180deg);
                        }

            .activity .flip-view .flip-list.transform-style-flat li {
                overflow: hidden;
            }

                .activity .flip-view .flip-list.transform-style-flat li .card {
                    overflow: hidden;
                }

                    .activity .flip-view .flip-list.transform-style-flat li .card .face {
                        top: 0;
                        left: 0;
                        width: 100%;
                        height: 100%;
                    }

                        .activity .flip-view .flip-list.transform-style-flat li .card .face.back {
                            -webkit-transition: top 0.3s ease-out;
                            transition: top 0.3s ease-out;
                            -webkit-transform: rotateY(0);
                            transform: rotateY(0);
                            top: 100%;
                        }

                .activity .flip-view .flip-list.transform-style-flat li.flipped .card {
                    -webkit-transform: rotateY(0);
                    transform: rotateY(0);
                }

                    .activity .flip-view .flip-list.transform-style-flat li.flipped .card .face.back {
                        top: 0;
                    }

            .activity .flip-view .flip-list.element-list li .face.front h4 {
                font-size: 110px;
                line-height: 1;
                padding-top: 36px;
                color: #666;
            }

            .activity .flip-view .flip-list.element-list li .face.front p {
                font-size: 16px;
                color: #0e91bb;
                text-transform: uppercase;
            }

            .activity .flip-view .flip-list.element-list li .face.back.correct {
                background: #009e49;
            }

            .activity .flip-view .flip-list.element-list li .face.back h4 {
                font-size: 18px;
                text-transform: uppercase;
            }

            .activity .flip-view .flip-list.element-list li .face.back p {
                font-size: 14px;
                color: #fff;
            }

            .activity .flip-view .flip-list.element-list.image-elements li .face.front h4 {
                padding-top: 0;
                width: 199px;
                height: 110px;
                margin: 35px auto 14px auto;
                overflow: hidden;
                background-image: url("../images/activities/ww2-sprite.png");
                background-repeat: no-repeat;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-jet-engines .face.front h4 {
                background-position: 0 0;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-twinkies .face.front h4 {
                background-position: -199px 0;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-radar-sonar .face.front h4 {
                background-position: -398px 0;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-frisbees .face.front h4 {
                background-position: -597px 0;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-nylon-stockings .face.front h4 {
                background-position: -796px 0;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-slinky .face.front h4 {
                background-position: 0 -110px;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-computers .face.front h4 {
                background-position: -199px -110px;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-pasta .face.front h4 {
                background-position: -398px -110px;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-silly-putty .face.front h4 {
                background-position: -597px -110px;
            }

            .activity .flip-view .flip-list.element-list.image-elements li.ww2-rubber .face.front h4 {
                background-position: -796px -110px;
            }

    .activity .slide-view {
        max-width: 954px;
        margin: 0 auto;
    }

        .activity .slide-view .slider-wrapper {
            position: relative;
            min-height: 365px;
        }

            .activity .slide-view .slider-wrapper .slider-image {
                width: 100%;
                height: 100%;
                position: absolute;
                top: 0;
                left: 0;
                overflow: hidden;
                z-index: 2;
            }

                .activity .slide-view .slider-wrapper .slider-image img {
                    width: 954px;
                    height: 365px;
                    position: absolute;
                    top: 0;
                    left: 0;
                }

            .activity .slide-view .slider-wrapper .background-image {
                z-index: 0;
            }

            .activity .slide-view .slider-wrapper .foreground-image {
                width: 0;
                z-index: 1;
            }

        .activity .slide-view.chart-view {
            position: relative;
        }

            .activity .slide-view.chart-view .slider-wrapper {
                min-height: 310px;
                height: 310px;
                background: url("../images/chart-dots.png") repeat left top;
            }

                .activity .slide-view.chart-view .slider-wrapper .slider-image img {
                    height: 310px;
                }

            .activity .slide-view.chart-view .slide-labels {
                color: #666;
                font-size: 12px;
            }

                .activity .slide-view.chart-view .slide-labels.top {
                    padding-bottom: 14px;
                }

                    .activity .slide-view.chart-view .slide-labels.top:before, .activity .slide-view.chart-view .slide-labels.top:after {
                        content: "";
                        display: table;
                    }

                    .activity .slide-view.chart-view .slide-labels.top:after {
                        clear: both;
                    }

                .activity .slide-view.chart-view .slide-labels .slide-label {
                    position: relative;
                }

                    .activity .slide-view.chart-view .slide-labels .slide-label.left {
                        left: -22px;
                        float: left;
                    }

                    .activity .slide-view.chart-view .slide-labels .slide-label.right {
                        right: -36px;
                        float: right;
                    }

            .activity .slide-view.chart-view .slide-axis {
                width: 34px;
                height: 310px;
                position: absolute;
                top: 20px;
            }

                .activity .slide-view.chart-view .slide-axis ul {
                    margin: 0;
                    padding: 0;
                }

                    .activity .slide-view.chart-view .slide-axis ul li {
                        margin: 0;
                        padding: 0;
                        height: 40px;
                        color: #666;
                        font-size: 12px;
                        line-height: 1;
                    }

                .activity .slide-view.chart-view .slide-axis.left {
                    left: -49px;
                }

                    .activity .slide-view.chart-view .slide-axis.left li {
                        text-align: right;
                    }

                .activity .slide-view.chart-view .slide-axis.right {
                    right: -49px;
                }

                    .activity .slide-view.chart-view .slide-axis.right li {
                        text-align: left;
                    }

            .activity .slide-view.chart-view .timeline li:after {
                display: none;
            }

    .activity .switch-view {
        width: 100%;
        margin: 0 auto;
    }

        .activity .switch-view .switch-wrapper {
            position: relative;
            min-height: 320px;
        }

        .activity .switch-view .switch-list {
            position: relative;
            height: 100%;
            margin: 0;
        }

            .activity .switch-view .switch-list li {
                position: absolute;
                top: 20px;
                width: 750px;
                height: 250px;
                padding: 0;
                margin: 0;
                list-style-type: none;
                box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
                z-index: 0;
                display: none;
            }

                .activity .switch-view .switch-list li .modal-head {
                    width: 100%;
                    height: 44px;
                    background: #008cba;
                    text-align: center;
                    position: relative;
                }

                    .activity .switch-view .switch-list li .modal-head h4 {
                        margin: 0;
                        padding-top: 4px;
                        font-size: 24px;
                        color: #fff;
                        font-weight: 300;
                        -webkit-text-stroke: 0;
                    }

                    .activity .switch-view .switch-list li .modal-head button {
                        position: absolute;
                        top: 11px;
                        right: 11px;
                        width: 22px;
                        height: 22px;
                        border: 0;
                        padding: 0;
                        color: transparent;
                        background: transparent;
                        overflow: hidden;
                        background-image: url("../images/sprite.png");
                        background-repeat: no-repeat;
                        display: inline-block;
                        background-position: -208px -20px;
                        cursor: pointer;
                    }

                .activity .switch-view .switch-list li .modal-content {
                    padding: 30px 40px;
                    background: #fff;
                    text-align: left;
                    height: 206px;
                }

                    .activity .switch-view .switch-list li .modal-content:before, .activity .switch-view .switch-list li .modal-content:after {
                        content: "";
                        display: table;
                    }

                    .activity .switch-view .switch-list li .modal-content:after {
                        clear: both;
                    }

                    .activity .switch-view .switch-list li .modal-content p {
                        font-size: 14px;
                        line-height: 1.2;
                        float: left;
                        width: 340px;
                    }

                    .activity .switch-view .switch-list li .modal-content img {
                        display: block;
                        float: right;
                        width: 270px;
                        height: auto;
                    }

                .activity .switch-view .switch-list li .fang {
                    /**
          position: absolute;
          background: url('../images/sprite.png') no-repeat -84px -24px;
          @include sprite();
          height: 12px;
          width: 18px;
          bottom: -12px;
          z-index: 3;
          display: block;
          /**/
                    position: absolute;
                    background: url("../images/sprite.png") no-repeat -48px -137px;
                    overflow: hidden;
                    background-image: url("../images/sprite.png");
                    background-repeat: no-repeat;
                    display: inline-block;
                    width: 48px;
                    height: 30px;
                    bottom: -30px;
                    z-index: 3;
                    display: block;
                }

        .activity .switch-view.small-switch-view .switch-list li {
            width: 350px;
        }

            .activity .switch-view.small-switch-view .switch-list li .modal-head button {
                display: none;
            }

            .activity .switch-view.small-switch-view .switch-list li .modal-content .modal-top {
                position: relative;
                top: -18px;
                margin-bottom: -18px;
                text-align: center;
            }

                .activity .switch-view.small-switch-view .switch-list li .modal-content .modal-top .percent {
                    letter-spacing: -5px;
                    color: #008cba;
                    display: inline-block;
                    vertical-align: middle;
                    font-size: 80px;
                    font-family: 'Roboto', sans-serif;
                    padding-right: 12px;
                }

                .activity .switch-view.small-switch-view .switch-list li .modal-content .modal-top .description {
                    text-align: left;
                    color: #008cba;
                    display: inline-block;
                    vertical-align: middle;
                    font-size: 14px;
                    line-height: 1.2;
                    text-transform: uppercase;
                }

            .activity .switch-view.small-switch-view .switch-list li .modal-content p {
                width: auto;
            }

        .activity .switch-view.map-content-switcher .switch-list {
            padding: 0;
            margin: 0;
            height: 340px;
            position: relative;
        }

            .activity .switch-view.map-content-switcher .switch-list li {
                width: 662px;
                height: 359px;
                position: absolute;
                left: -webkit-calc(50% - 331px);
                left: calc(50% - 331px);
                top: -15px;
                box-shadow: none;
            }

                .activity .switch-view.map-content-switcher .switch-list li:first-child {
                    display: block;
                }

                .activity .switch-view.map-content-switcher .switch-list li img {
                    position: absolute;
                    top: 0;
                    left: 0;
                    display: block;
                }

        .activity .switch-view .timeline {
            border-top: none;
            padding-top: 4px;
            background: url("../images/timeline-border.png") repeat-x left top;
        }

            .activity .switch-view .timeline li {
                padding-top: 17px;
            }

                .activity .switch-view .timeline li:after {
                    height: 18px;
                }

                .activity .switch-view .timeline li a {
                    position: relative;
                    cursor: pointer;
                }

                    .activity .switch-view .timeline li a:before, .activity .switch-view .timeline li a:after {
                        content: '';
                        position: absolute;
                        z-index: 2;
                    }

                    .activity .switch-view .timeline li a:before {
                        width: 18px;
                        height: 18px;
                        border: 2px #008cba solid;
                        border-radius: 9px;
                        top: -26px;
                        left: -webkit-calc(50% - 9px);
                        left: calc(50% - 9px);
                    }

                    .activity .switch-view .timeline li a:after {
                        width: 8px;
                        height: 8px;
                        background: #008cba;
                        border-radius: 4px;
                        top: -21px;
                        left: -webkit-calc(50% - 4px);
                        left: calc(50% - 4px);
                    }

        .activity .switch-view .timeline-label {
            position: absolute;
            bottom: 0;
            left: 0;
            color: #666;
            font-size: 12px;
            display: block;
        }

        .activity .switch-view .timeline-slider-container {
            position: relative;
            height: 24px;
        }

            .activity .switch-view .timeline-slider-container .timeline {
                position: absolute;
                top: 0;
                left: 0;
                z-index: 0;
            }

                .activity .switch-view .timeline-slider-container .timeline li {
                    width: 60px;
                    text-align: center;
                }

            .activity .switch-view .timeline-slider-container .anchor-points {
                position: absolute;
                top: 0;
                left: 0;
                z-index: 1;
            }

            .activity .switch-view .timeline-slider-container .timeline-label {
                bottom: -10px;
            }

            .activity .switch-view .timeline-slider-container .scrubber {
                bottom: 7px;
                height: 50px;
            }

                .activity .switch-view .timeline-slider-container .scrubber:before {
                    background-position: -190px -32px;
                }

                .activity .switch-view .timeline-slider-container .scrubber:after {
                    background: #05a135;
                    height: 50px;
                }

        .activity .switch-view.map-switcher {
            min-height: 390px;
            height: 390px;
            max-width: 922px;
            position: relative;
        }

            .activity .switch-view.map-switcher .timeline {
                background: transparent;
                border-top: 0;
                position: absolute;
                width: 100%;
                height: 100%;
                z-index: 1;
            }

                .activity .switch-view.map-switcher .timeline li {
                    padding-top: 0;
                    position: absolute;
                    display: block;
                    width: 18px;
                    height: 18px;
                }

                    .activity .switch-view.map-switcher .timeline li:after {
                        display: none;
                    }

                    .activity .switch-view.map-switcher .timeline li a {
                        display: block;
                        width: 18px;
                        height: 18px;
                        cursor: pointer;
                    }

                        .activity .switch-view.map-switcher .timeline li a:before {
                            content: '';
                            position: absolute;
                            width: 8px;
                            height: 8px;
                            background: #008cba;
                            border-radius: 4px;
                            top: 3px;
                            left: 3px;
                        }

                        .activity .switch-view.map-switcher .timeline li a:after {
                            display: none;
                        }

            .activity .switch-view.map-switcher .switch-list li {
                display: none;
                left: -webkit-calc(50% - 355px);
                left: calc(50% - 355px);
                z-index: 82;
            }

    .activity .accordion-view {
        height: 360px;
        width: 100%;
        text-align: left;
    }

        .activity .accordion-view .accordion-list {
            width: 1050px;
            height: 100%;
            -webkit-transition: width 0.3s ease-out, left 0.3s ease-out;
            transition: width 0.3s ease-out, left 0.3s ease-out;
            margin: 0;
            padding: 0;
            overflow: hidden;
            position: relative;
            left: 0;
        }

            .activity .accordion-view .accordion-list.active {
                width: 1400px;
            }

            .activity .accordion-view .accordion-list.item-5, .activity .accordion-view .accordion-list.item-6 {
                left: -339px;
            }

            .activity .accordion-view .accordion-list li {
                margin: 0;
                padding: 0;
                position: relative;
                width: 150px;
                height: 360px;
                overflow: hidden;
                -webkit-transition: width 0.3s ease-out;
                transition: width 0.3s ease-out;
                display: inline-block;
                vertical-align: top;
                cursor: pointer;
            }

                .activity .accordion-view .accordion-list li .accordion-info {
                    width: 150px;
                    height: 320px;
                    background: #fff;
                    overflow: hidden;
                    padding: 0;
                    -webkit-transition: width 0.3s ease-out, padding 0.3s ease-out;
                    transition: width 0.3s ease-out, padding 0.3s ease-out;
                }

                    .activity .accordion-view .accordion-list li .accordion-info .accordion-image {
                        background-position: center top;
                        background-size: cover;
                        background-repeat: no-repeat;
                        width: 150px;
                        height: 320px;
                        -webkit-transition: width 0.3s ease-out, height 0.3s ease-out;
                        transition: width 0.3s ease-out, height 0.3s ease-out;
                        display: inline-block;
                        vertical-align: top;
                    }

                    .activity .accordion-view .accordion-list li .accordion-info p {
                        display: inline-block;
                        vertical-align: top;
                        color: rgba(0, 0, 0, 0);
                        font-size: 14px;
                        width: 0;
                        padding-left: 0;
                        -webkit-transition: width 0.3s ease-out, color 0.3s ease-out;
                        transition: width 0.3s ease-out, color 0.3s ease-out;
                    }

                .activity .accordion-view .accordion-list li h4 {
                    font-size: 16px;
                    line-height: 1.2;
                    margin-top: 5px;
                    color: #666;
                    text-transform: uppercase;
                    -webkit-transition: color 0.3s ease-out;
                    transition: color 0.3s ease-out;
                    width: 100px;
                }

                .activity .accordion-view .accordion-list li.active {
                    width: 500px;
                }

                    .activity .accordion-view .accordion-list li.active .accordion-info {
                        padding: 15px;
                        width: 500px;
                    }

                        .activity .accordion-view .accordion-list li.active .accordion-info .accordion-image {
                            width: 200px;
                            height: 290px;
                        }

                        .activity .accordion-view .accordion-list li.active .accordion-info p {
                            padding-left: 24px;
                            color: #8f8f8f;
                            width: 265px;
                        }

                    .activity .accordion-view .accordion-list li.active h4 {
                        color: #008cba;
                    }

    .activity .reveal-view {
        min-height: 365px;
    }

        .activity .reveal-view .reveal-list {
            margin: 0;
            padding: 0;
        }

            .activity .reveal-view .reveal-list li {
                margin: 0 0 16px 30px;
                padding: 0;
                display: inline-block;
                vertical-align: bottom;
            }

                .activity .reveal-view .reveal-list li:first-child {
                    margin-left: 0;
                }

                .activity .reveal-view .reveal-list li .reveal-data {
                    height: 166px;
                    width: 130px;
                    margin: 0 auto 12px auto;
                }

                    .activity .reveal-view .reveal-list li .reveal-data span {
                        opacity: 0;
                        letter-spacing: -5px;
                        padding-top: 49px;
                        color: #008cba;
                        display: inline-block;
                        vertical-align: top;
                        font-size: 80px;
                        font-family: 'Roboto', sans-serif;
                    }

                        .activity .reveal-view .reveal-list li .reveal-data span span {
                            position: relative;
                            top: -17px;
                            padding: 0;
                            font-size: 40px;
                        }

                .activity .reveal-view .reveal-list li .reveal-anchor {
                    cursor: pointer;
                }

                    .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite {
                        display: block;
                        background-image: url("../images/activities/dna-sprite.png");
                        background-repeat: no-repeat;
                        overflow: hidden;
                    }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-cow {
                            background-position: 0 0;
                            width: 183px;
                            height: 121px;
                        }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-cat {
                            background-position: -183px 0;
                            width: 149px;
                            height: 131px;
                        }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-mouse {
                            background-position: -332px 0;
                            width: 125px;
                            height: 58px;
                        }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-fruitfly {
                            background-position: -457px 0;
                            width: 117px;
                            height: 56px;
                        }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-dolphin {
                            background-position: -574px 0;
                            width: 124px;
                            height: 121px;
                        }

                        .activity .reveal-view .reveal-list li .reveal-anchor .dna-sprite.dna-chimpanzee {
                            background-position: -698px 0;
                            width: 132px;
                            height: 147px;
                        }

                    .activity .reveal-view .reveal-list li .reveal-anchor .label {
                        display: block;
                        text-transform: uppercase;
                        margin-top: 20px;
                        font-size: 16px;
                        line-height: 1;
                        color: #333333;
                    }

                .activity .reveal-view .reveal-list li.active .reveal-data {
                    background-image: url("../images/activities/dna-sprite.png");
                    background-repeat: no-repeat;
                    background-position: -831px 0;
                }

                    .activity .reveal-view .reveal-list li.active .reveal-data span {
                        opacity: 1;
                    }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-cow {
                    background-position: 0 -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-cat {
                    background-position: -183px -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-mouse {
                    background-position: -332px -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-fruitfly {
                    background-position: -457px -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-dolphin {
                    background-position: -574px -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .dna-sprite.dna-chimpanzee {
                    background-position: -698px -147px;
                }

                .activity .reveal-view .reveal-list li.active .reveal-anchor .label {
                    color: #008cba;
                }

    .activity .poll-view {
        position: relative;
        padding-bottom: 30px;
        min-height: 400px;
    }

    .activity:has(.poll-view) .wrapper.bottom {
        padding-bottom: 0;
    }

    .activity:has(.poll-view) {
        background: #ffffff;
        box-shadow: 0 0 100px rgba(128, 128, 128, 0.3) inset;
    }

    .activity:has(.poll-view) h2 {
        position: relative;
        z-index: 0;
    }

    .activity:has(.poll-view) h2:after {
        content: "";
        display: block;
        width: 100%;
        height: 21px;
        position: absolute;
        bottom: -21px;
        left: 0;
        background: url("../images/quiz-shadow-top.png") no-repeat center top;
    }

    .activity .poll-view::after {
        content: "";
        display: block;
        width: 100%;
        height: 30px;
        position: absolute;
        bottom: 20px;
        left: 0;
        z-index: 2;
        background: url("../images/quiz-shadow-bottom.png") no-repeat center top;
        pointer-events: none;
        position: relative;
        top: 80px;
    }

    @media (max-width: 768px) {
        .activity .poll-view::after {
            top: 50px;
        }
    }

        .activity .poll-view .poll-items {
            padding: 40px 0 0 0;
            margin: 0 auto 60px auto;
            max-width: 650px;
            text-align: left;
            opacity: 1;
            -webkit-transition: opacity 0.3s ease-out;
            transition: opacity 0.3s ease-out;
            max-width: 650px;
            z-index: 1;
            position: relative;
        }

            .activity .poll-view .poll-items li {
                width: 100%;
                height: auto;
                min-height: 1px;
                display: block;
                font-size: 16px;
                position: relative;
                padding: 0;
                margin: 0;
                margin-top: 30px;
            }

                .activity .poll-view .poll-items li:first-child {
                    margin-top: 0;
                }

                .activity .poll-view .poll-items li label {
                    display: block;
                    width: 100%;
                    line-height: 1.2;
                    padding-left: 43px;
                }

                .activity .poll-view .poll-items li input[type="radio"] {
                    opacity: 0;
                    position: absolute;
                    top: -webkit-calc(50% - 9px);
                    top: calc(50% - 9px);
                    left: 9px;
                }

                    .activity .poll-view .poll-items li input[type="radio"] + label:before {
                        content: '';
                        width: 16px;
                        height: 16px;
                        border-radius: 8px;
                        border: 2px #008cba solid;
                        display: inline-block;
                        vertical-align: middle;
                        cursor: pointer;
                        position: absolute;
                        top: -webkit-calc(50% - 8px);
                        top: calc(50% - 8px);
                        left: 13px;
                    }

                    .activity .poll-view .poll-items li input[type="radio"]:checked + label:after {
                        content: '';
                        display: block;
                        width: 8px;
                        height: 8px;
                        border-radius: 4px;
                        position: absolute;
                        top: -webkit-calc(50% - 4px);
                        top: calc(50% - 4px);
                        left: 17px;
                        background: #008cba;
                    }

        .activity .poll-share-actions {
            margin: 0 auto;
            padding-bottom: 50px;
            position: relative;
            z-index: 1;
        }

        .activity .poll-share-actions button {
            font-weight: 700;
            background-color: #ffce00;
            color: #213245;
            border-radius: 4px;
            line-height: 26px;
            border: 0;
            font-size: 16px;
            padding: 8px 20px;
            transition: 0.5s;
            text-align: center;
            text-decoration: none;
            display: flex;
            gap: 8px;
            margin: 0 auto;
        }

        .activity .poll-share-actions .social-facebook-share {
            display: none;
        }

        .activity.completed .poll-share-actions .social-facebook-share:not([disabled]) {
            display: flex;
        }

        .activity .poll-share-actions button:hover {
            background-color: #666;
            color: #fff;
            cursor: pointer;
        }
        
            .activity .poll-share-actions button[disabled] {
                opacity: 0.55;
                cursor: default;
            }

            .activity .poll-share-actions button[disabled]:hover {
                background-color: #ffce00;
                color: #213245;
                cursor: default;
            }

        .activity .poll-view .results {
            overflow: hidden;
            position: absolute;
            width: 100%;
            min-height: 234px;
            z-index: 0;
            opacity: 0;
            top: 0;
            -webkit-transition: opacity 0.3s ease-out;
            transition: opacity 0.3s ease-out;
        }

            .activity .poll-view .results .result-set {
                max-width: 650px;
                margin: 0 auto;
                height: 100%;
                text-align: left;
            }

                .activity .poll-view .results .result-set h4 {
                    font-size: 18px;
                    color: #008cba;
                }

                .activity .poll-view .results .result-set p {
                    font-size: 14px;
                    text-align: center;
                }

                .activity .poll-view .results .result-set .results-list {
                    margin: 0;
                    padding: 0;
                }

                    .activity .poll-view .results .result-set .results-list li {
                        margin: 14px 0 0 0;
                        padding: 0;
                    }

                        .activity .poll-view .results .result-set .results-list li:first-child {
                            margin-top: 0;
                        }

                        .activity .poll-view .results .result-set .results-list li h5 {
                            font-size: 14px;
                            display: inline-block;
                            vertical-align: middle;
                            margin: 0 12px 8px 0;
                            font-weight: normal;
                            width: -webkit-calc(100% - 60px);
                            width: calc(100% - 60px);
                        }

                        .activity .poll-view .results .result-set .results-list li span {
                            width: 48px;
                            text-align: right;
                            font-size: 12px;
                            display: inline-block;
                            vertical-align: bottom;
                            margin-bottom: 8px;
                        }

                        .activity .poll-view .results .result-set .results-list li .result-graph {
                            height: 14px;
                            width: 100%;
                            background: #cfcfcf;
                        }

                            .activity .poll-view .results .result-set .results-list li .result-graph .result-bar {
                                height: 100%;
                                background: #008cba;
                            }

    .activity.completed .poll-view .poll-items {
        opacity: 0;
        z-index: 0;
    }

    .activity.completed .poll-view .results {
        display: block;
        opacity: 1;
        z-index: 1;
    }

        .activity.completed .poll-view .results .success-results {
            display: block;
        }

        .activity.completed .poll-view .results .error-results {
            display: none;
        }

    .activity.completed.error .poll-view .results .success-results {
        display: none;
    }

    .activity.completed.error .poll-view .results .error-results {
        display: block;
    }

        .activity.completed.error .poll-view .results .error-results h4 {
            text-align: center;
            padding-top: 40px;
        }

    .activity .map-background {
        background: url("../images/world-map.png") no-repeat center 12px;
    }

#population_energy_consumption_activity .timeline-label-1 {
    left: 35px;
}

#population_energy_consumption_activity .timeline-label-2 {
    left: 210px;
}

#population_energy_consumption_activity .timeline-label-3 {
    left: 380px;
}

#population_energy_consumption_activity .timeline-label-4 {
    left: 570px;
}

#population_energy_consumption_activity .timeline-label-5 {
    left: 745px;
}

#population_energy_consumption_activity .timeline-label-6 {
    left: 810px;
}

#population_energy_consumption_activity .slider-label {
    width: 138px;
    height: 201px;
    display: block;
    position: absolute;
    left: 30px;
    bottom: 8px;
    background: url("../images/activities/power-labels.png") no-repeat left top;
}

#ancient_cities_activity .timeline-label-1 {
    left: 73px;
    top: 230px;
    left: 7.3%;
    top: 51.5%;
}

#ancient_cities_activity .timeline-label-2 {
    left: 192px;
    top: 185px;
    left: 21.3%;
    top: 41.4%;
}

#ancient_cities_activity .timeline-label-3 {
    left: 420px;
    top: 246px;
    left: 45.3%;
    top: 55.1%;
}

#ancient_cities_activity .timeline-label-4 {
    left: 654px;
    top: 162px;
    left: 70.9%;
    top: 36.3%;
}

#ancient_cities_activity .timeline-label-5 {
    left: 697px;
    top: 222px;
    left: 75.7%;
    top: 49.7%;
}

#ancient_cities_activity .timeline-label-6 {
    left: 752px;
    top: 330px;
    left: 81.8%;
    top: 74%;
}

#ancient_cities_activity.activity {
    overflow: hidden;
}

    #ancient_cities_activity.activity .switch-view.map-switcher {
        height: 450px;
    }

    #ancient_cities_activity.activity .map-background {
        background: none;
    }

    #ancient_cities_activity.activity .map-image {
        display: block;
        width: 100%;
        height: auto;
        position: absolute;
    }

    #ancient_cities_activity.activity .switch-view .timeline {
        height: 0;
        padding-bottom: 50%;
        padding-bottom: 43%;
        top: 0;
        max-width: 992px;
        padding-top: 0;
    }

        #ancient_cities_activity.activity .switch-view .timeline li a {
            background: transparent;
        }

            #ancient_cities_activity.activity .switch-view .timeline li a:before {
                width: 18px;
                height: 18px;
                border: 2px #008cba solid;
                border-radius: 9px;
                top: 0;
                left: -webkit-calc(50% - 9px);
                left: calc(50% - 9px);
                background: transparent;
            }

            #ancient_cities_activity.activity .switch-view .timeline li a:after {
                width: 8px;
                height: 8px;
                background: #008cba;
                border-radius: 4px;
                top: 5px;
                left: -webkit-calc(50% - 4px);
                left: calc(50% - 4px);
                display: block;
            }

#goldilocks_conditions_activity.activity .flip-view .flip-list li .card .face.front {
    border-color: #111;
    background: #000;
}

    #goldilocks_conditions_activity.activity .flip-view .flip-list li .card .face.front p {
        color: #fff;
    }

    #goldilocks_conditions_activity.activity .flip-view .flip-list li .card .face.front .bg-image {
        height: 110px;
        width: 199px;
        overflow: hidden;
        margin-top: 27px;
    }

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-sun .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat 0 0;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-mercury .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -199px 0;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-venus .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -398px 0;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-earth .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -597px 0;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-mars .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -796px 0;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-jupiter .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat 0 -110px;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-saturn .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -199px -110px;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-uranus .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -398px -110px;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-neptune .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -597px -110px;
}

#goldilocks_conditions_activity.activity .flip-view .flip-list li.goldilocks-pluto .card .face.front .bg-image {
    background: black url("../images/activities/goldilocks-sprite.png") no-repeat -796px -110px;
}

#life_cycle_of_our_sun_activity .timeline-label-1 {
    left: 12%;
}

#life_cycle_of_our_sun_activity .timeline-label-2 {
    left: 18.7%;
}

#life_cycle_of_our_sun_activity .timeline-label-3 {
    left: 25.4%;
}

#life_cycle_of_our_sun_activity .timeline-label-4 {
    left: 32.1%;
}

#life_cycle_of_our_sun_activity .timeline-label-5 {
    left: 38.8%;
}

#life_cycle_of_our_sun_activity .timeline-label-6 {
    left: 45.5%;
}

#life_cycle_of_our_sun_activity .timeline-label-7 {
    left: 52.2%;
}

#life_cycle_of_our_sun_activity .timeline-label-8 {
    left: 58.9%;
}

#life_cycle_of_our_sun_activity .timeline-label-9 {
    left: 65.6%;
}

#life_cycle_of_our_sun_activity .timeline-label-10 {
    left: 72.3%;
}

#life_cycle_of_our_sun_activity .timeline-label-11 {
    left: 79%;
}

#life_cycle_of_our_sun_activity .timeline-label-12 {
    left: 85.7%;
}

#life_cycle_of_our_sun_activity .timeline-label-13 {
    left: 92.4%;
}

#life_cycle_of_our_sun_activity .timeline-label-14 {
    left: 99.1%;
}

#human-migration_activity .timeline-label-1 {
    left: 17.925%;
}

#human-migration_activity .timeline-label-2 {
    left: 26.415%;
}

#human-migration_activity .timeline-label-3 {
    left: 34.906%;
}

#human-migration_activity .timeline-label-4 {
    left: 43.396%;
}

#human-migration_activity .timeline-label-5 {
    left: 51.887%;
}

#human-migration_activity .timeline-label-6 {
    left: 60.377%;
}

#human-migration_activity .timeline-label-7 {
    left: 68.868%;
}

#human-migration_activity .timeline-label-8 {
    left: 77.358%;
}

#human-migration_activity .timeline-label-9 {
    left: 85.849%;
}

#human-migration_activity .timeline-label-10 {
    left: 94.339%;
}

#human-migration_activity .anchor-point-1 {
    left: 20.305%;
}

#human-migration_activity .anchor-point-2 {
    left: 28.696%;
}

#human-migration_activity .anchor-point-3 {
    left: 50%;
}

#human-migration_activity .anchor-point-4 {
    left: 62.658%;
}

#human-migration_activity .anchor-point-5 {
    left: 71.149%;
}

#human-migration_activity .anchor-point-6 {
    left: 85.943%;
}

#human-migration_activity .anchor-point-7 {
    left: 94.528%;
}

#human-migration_activity .scrubber {
    left: 205.5px;
}

#human-migration_activity li[data-view="1"] img {
    left: 39px;
    top: 166px;
}

#human-migration_activity li[data-view="2"] img {
    left: 1px;
    top: 106px;
}

#human-migration_activity li[data-view="3"] img {
    left: 1px;
    top: 106px;
}

#human-migration_activity li[data-view="4"] img {
    left: 1px;
    top: 45px;
}

#human-migration_activity li[data-view="5"] img {
    left: 1px;
    top: 1px;
}

#human-migration_activity li[data-view="6"] img {
    left: 1px;
    top: 1px;
}

#human-migration_activity li[data-view="7"] img {
    left: 1px;
    top: 1px;
}

#mass_extinctions_activity .timeline-label-1 {
    left: 20%;
}

#mass_extinctions_activity .timeline-label-2 {
    left: 32%;
}

#mass_extinctions_activity .timeline-label-3 {
    left: 44%;
}

#mass_extinctions_activity .timeline-label-4 {
    left: 56%;
}

#mass_extinctions_activity .timeline-label-5 {
    left: 68%;
}

#mass_extinctions_activity .timeline-label-6 {
    left: 80%;
}

#mass_extinctions_activity .timeline-label-7 {
    left: 92%;
}

#mass_extinctions_activity .anchor-point-1 {
    left: 40%;
}

#mass_extinctions_activity .anchor-point-2 {
    left: 53%;
}

#mass_extinctions_activity .anchor-point-3 {
    left: 64%;
}

#mass_extinctions_activity .anchor-point-4 {
    left: 70%;
}

#mass_extinctions_activity .anchor-point-5 {
    left: 89%;
}

@media (max-width: 1125px) {
    .activity .flip-view .flip-list li {
        width: -webkit-calc(25% - 5px);
        width: calc(25% - 5px);
    }

    #goldilocks_conditions_activity .timeline {
        display: none;
    }

    #goldilocks_conditions_activity .slide-view .slider-wrapper .background-image, #goldilocks_conditions_activity .slide-view .slider-wrapper .foreground-image {
        width: 100% !important;
    }

        #goldilocks_conditions_activity .slide-view .slider-wrapper .background-image img, #goldilocks_conditions_activity .slide-view .slider-wrapper .foreground-image img {
            position: static !important;
            width: 100% !important;
            height: auto !important;
        }

    #goldilocks_conditions_activity .slide-view .slider-wrapper .background-image {
        z-index: 1;
    }

    #goldilocks_conditions_activity .slide-view .slider-wrapper .foreground-image {
        z-index: 0;
    }

    #goldilocks_conditions_activity .slide-view .slider-wrapper .scrubber {
        display: none !important;
    }

        #goldilocks_conditions_activity .slide-view .slider-wrapper .scrubber:before, #goldilocks_conditions_activity .slide-view .slider-wrapper .scrubber:after {
            display: none !important;
        }

    .activity .accordion-view {
        min-height: 360px;
        height: auto;
    }

        .activity .accordion-view .accordion-list {
            width: 100%;
        }

            .activity .accordion-view .accordion-list.active {
                width: 100%;
            }

            .activity .accordion-view .accordion-list.item-5, .activity .accordion-view .accordion-list.item-6 {
                left: 0;
            }

            .activity .accordion-view .accordion-list li {
                max-width: 500px;
                width: 100%;
                margin: 16px auto;
                display: block;
            }

                .activity .accordion-view .accordion-list li h4 {
                    width: 100%;
                    color: #008cba;
                }

                .activity .accordion-view .accordion-list li .accordion-info {
                    padding: 15px;
                    width: 100%;
                }

                    .activity .accordion-view .accordion-list li .accordion-info .accordion-image {
                        width: 200px;
                        height: 290px;
                    }

                    .activity .accordion-view .accordion-list li .accordion-info p {
                        padding-left: 24px;
                        color: #8f8f8f;
                        width: -webkit-calc(100% - 230px) !important;
                        width: calc(100% - 230px) !important;
                    }
}

@media (max-width: 940px) {
    .activity .flip-view .flip-list li {
        width: -webkit-calc(33% - 5px);
        width: calc(33% - 5px);
    }
}

@media (max-width: 737px) {
    .activity .flip-view .flip-list li {
        width: -webkit-calc(50% - 5px);
        width: calc(50% - 5px);
    }
}

@media (max-width: 526px) {
    .activity .flip-view .flip-list li {
        width: -webkit-calc(100% - 5px);
        width: calc(100% - 5px);
    }
}

@media (max-width: 850px) {
    .activity {
        padding: 0 20px;
    }

        .activity h2 {
            font-size: 32px;
        }

        .activity h3 {
            width: 100%;
            text-align: center;
        }

            .activity h3:after, .activity h3:before {
                display: none;
            }

        .activity .map-background {
            background-image: none;
        }

        .activity .content {
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -khtml-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        .activity .switch-view {
            min-height: 500px;
        }

            .activity .switch-view .switch-wrapper {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                min-height: 400px;
            }

            .activity .switch-view .switch-list {
                padding: 0;
            }

                .activity .switch-view .switch-list li {
                    width: 100%;
                    height: auto;
                    position: static;
                    margin: 0 auto;
                }

                    .activity .switch-view .switch-list li .modal-head {
                        height: auto;
                    }

                        .activity .switch-view .switch-list li .modal-head h4 {
                            padding: 10px 40px;
                            margin: 0;
                        }

                    .activity .switch-view .switch-list li .modal-content {
                        height: auto;
                    }

                        .activity .switch-view .switch-list li .modal-content p {
                            float: none;
                            width: auto;
                        }

                        .activity .switch-view .switch-list li .modal-content img {
                            float: none;
                            width: 100%;
                            margin-bottom: 20px;
                        }

                    .activity .switch-view .switch-list li .fang {
                        display: none;
                    }

            .activity .switch-view.small-switch-view {
                min-height: 400px;
                height: auto;
            }

                .activity .switch-view.small-switch-view .switch-wrapper {
                    min-height: 0;
                    height: auto;
                }

                .activity .switch-view.small-switch-view .switch-list {
                    min-height: 0;
                    height: auto;
                }

                    .activity .switch-view.small-switch-view .switch-list li {
                        max-width: 100%;
                    }

            .activity .switch-view.map-content-switcher {
                min-height: 0;
                height: auto;
                padding-bottom: 80px;
            }

                .activity .switch-view.map-content-switcher .switch-wrapper {
                    position: relative;
                    top: 60px;
                    min-height: 0;
                    height: auto;
                }

                    .activity .switch-view.map-content-switcher .switch-wrapper .map-image {
                        width: 100%;
                        height: auto;
                        display: block;
                    }

                    .activity .switch-view.map-content-switcher .switch-wrapper .timeline-slider-container {
                        top: -45px;
                    }

                .activity .switch-view.map-content-switcher .switch-list {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    min-height: 0;
                }

                    .activity .switch-view.map-content-switcher .switch-list li {
                        width: auto;
                        height: auto;
                        overflow: visible;
                    }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="1"] {
                            width: 3.277%;
                            top: 47.7%;
                            left: 17.5%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="2"] {
                            width: 24.52%;
                            top: 34.2%;
                            left: 13.4%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="3"] {
                            width: 49.605%;
                            top: 34.2%;
                            left: 13.4%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="4"] {
                            width: 49.605%;
                            top: 19.9%;
                            left: 13.5%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="5"] {
                            width: 49.605%;
                            top: 10.063%;
                            left: 13.3%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="6"] {
                            width: 74.802%;
                            top: 10.063%;
                            left: 13.488%;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li[data-view="7"] {
                            width: 74.802%;
                            top: 10.063%;
                            left: 13.488%;
                            opacity: 0.5;
                        }

                        .activity .switch-view.map-content-switcher .switch-list li img {
                            display: block;
                            width: 100%;
                            height: auto;
                            position: static;
                        }

            .activity .switch-view .timeline {
                position: absolute;
                top: 15px;
                left: 0;
                width: 900px;
                height: 50px;
            }

                .activity .switch-view .timeline li {
                    font-size: 20px;
                }

                    .activity .switch-view .timeline li a {
                        z-index: 10;
                    }

            .activity .switch-view .timeline-label {
                top: -15px;
                bottom: auto;
                left: 0;
            }

            .activity .switch-view .timeline-slider-container {
                position: absolute;
                top: 15px;
                left: 0;
                width: 900px;
                height: 50px;
            }

                .activity .switch-view .timeline-slider-container .timeline {
                    top: 0;
                }

            .activity .switch-view.map-switcher {
                height: auto;
                min-height: 0;
            }

                .activity .switch-view.map-switcher .map-image {
                    display: block;
                    width: 100%;
                    height: auto;
                }

                .activity .switch-view.map-switcher .timeline {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                }

                .activity .switch-view.map-switcher .switch-list {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    min-height: 1px;
                    overflow: visible;
                }

                    .activity .switch-view.map-switcher .switch-list li {
                        width: 100%;
                        height: auto;
                        left: 0;
                        top: 0;
                        margin: 0 auto;
                        position: relative;
                    }

                        .activity .switch-view.map-switcher .switch-list li .modal-content img {
                            max-width: 270px;
                            max-height: 144px;
                            width: 100%;
                            height: auto;
                            margin: 0 auto;
                        }

    #ancient_cities_activity .timeline-label-1 {
        left: 7%;
        top: 45%;
    }

    #ancient_cities_activity .timeline-label-2 {
        left: 20%;
        top: 35%;
    }

    #ancient_cities_activity .timeline-label-3 {
        left: 45%;
        top: 49%;
    }

    #ancient_cities_activity .timeline-label-4 {
        left: 71%;
        top: 30%;
    }

    #ancient_cities_activity .timeline-label-5 {
        left: 75%;
        top: 43%;
    }

    #ancient_cities_activity .timeline-label-6 {
        left: 82%;
        top: 68%;
    }

    #population_energy_consumption_activity.activity .content.slide-view.chart-view {
        width: 100%;
        height: auto;
    }

        #population_energy_consumption_activity.activity .content.slide-view.chart-view img.map-image {
            display: block;
            width: 100%;
            height: auto;
        }

        #population_energy_consumption_activity.activity .content.slide-view.chart-view .slide-labels, #population_energy_consumption_activity.activity .content.slide-view.chart-view .slide-axis, #population_energy_consumption_activity.activity .content.slide-view.chart-view .timeline, #population_energy_consumption_activity.activity .content.slide-view.chart-view .slider-wrapper {
            display: none;
        }

    .safari .activity .switch-view .timeline li a {
        padding: 5px;
    }

    .activity .switch-view .timeline-slider-container .anchor-points {
        z-index: 82;
    }

    .activity#mass_extinctions_activity .switch-view .switch-list li .modal-content {
        padding-top: 60px;
    }

    .activity#mass_extinctions_activity {
        overflow: hidden;
    }

    .activity .switch-view.small-switch-view .switch-list li .modal-content .modal-top .percent {
        font-size: 60px;
    }
}

.safari .activity .switch-view .timeline {
    z-index: 81;
}

.activity .switch-view .timeline-slider-container .anchor-points {
    z-index: 89;
}

.safari .activity .switch-view .anchor-points li a:before,
.safari .activity .switch-view .anchor-points li a:after {
    display: none;
}

.safari .activity .switch-view .anchor-points li a,
.safari .activity .switch-view .timeline li a:before {
    border: none;
    background: url("../images/activities/target.png") no-repeat center center;
    padding: 20px;
    margin: -10px 0 0 -10px;
}

    .safari .activity .switch-view .anchor-points li a.active {
        background: url("../images/activities/target-active.png") no-repeat center center;
    }

.safari .activity .switch-view .timeline li a:after {
    display: none;
}

.activity#mass_extinctions_activity .switch-view .switch-list li .modal-content {
    padding-top: 60px;
}

@media (max-width: 768px) {
    .timeline-label:after {
        content: ', swipe to go further →';
    }
}

@media (max-width: 500px) {
    .activity .accordion-view .accordion-list li {
        height: auto;
    }

        .activity .accordion-view .accordion-list li .accordion-info {
            height: auto;
        }

            .activity .accordion-view .accordion-list li .accordion-info .accordion-image {
                display: none;
            }

            .activity .accordion-view .accordion-list li .accordion-info p {
                width: 100% !important;
            }
}

@media (max-width: 850px) {
    #ancient_cities_activity.activity {
        overflow: hidden;
    }

        #ancient_cities_activity.activity .switch-view.map-switcher {
            height: 375px;
        }

        #ancient_cities_activity.activity .map-background {
            background: none;
        }

        #ancient_cities_activity.activity .map-image {
            display: block;
            width: 100%;
            height: auto;
            position: absolute;
        }

        #ancient_cities_activity.activity .switch-view .timeline {
            height: 0;
            padding-bottom: 50%;
            top: 0;
            max-width: 992px;
            padding-top: 0;
        }
}

.safari .activity .switch-view.map-switcher .timeline li a:before {
    padding: 0;
    margin: 0;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.25rem;
}