body {
    /*-webkit-animation: -amp-start 8s steps(1, end) 0s 1 normal both;
    -moz-animation: -amp-start 8s steps(1, end) 0s 1 normal both;
    -ms-animation: -amp-start 8s steps(1, end) 0s 1 normal both;
    animation: -amp-start 8s steps(1, end) 0s 1 normal both*/
}

@-webkit-keyframes -amp-start {
    from {
        visibility: hidden
    }
    to {
        visibility: visible
    }
}

@-moz-keyframes -amp-start {
    from {
        visibility: hidden
    }
    to {
        visibility: visible
    }
}

@-ms-keyframes -amp-start {v
    from {
        visibility: hidden
    }
    to {
        visibility: visible
    }
}

@-o-keyframes -amp-start {
    from {
        visibility: hidden
    }
    to {
        visibility: visible
    }
}

@keyframes -amp-start {
    from {
        visibility: hidden
    }
    to {
        visibility: visible
    }
}