@-webkit-keyframes AnimationName {
    0%{background-position:0% 84%}
    50%{background-position:100% 17%}
    100%{background-position:0% 84%}
}
@keyframes AnimationName {
    0%{background-position:0% 84%}
    50%{background-position:100% 17%}
    100%{background-position:0% 84%}
}
#crowd{
  width: 100vw;
    height: 100vh;
    margin: 0 auto;
    position: absolute;
    z-index: 2;
    background: linear-gradient(253deg, #0a094c, #14109f, #034db4);
    background-size: 600% 600%;
    -webkit-animation: AnimationName 25s ease infinite;
    animation: AnimationName 25s ease infinite;
}
.is-article-visible{
    overflow: hidden;
}
#main article.active {
    max-height: 85Vh;
    overflow: scroll;
}