main.css

*{
    margin:0;
    padding:0;
}
html,
body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: hidden;
}

body {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-filter: contrast(120%);
    filter: contrast(120%);
    background-color: black;
    position: relative;
}

.container {
    width: 100%;
    height: 99.74%;
    background-image: radial-gradient(2000px at 10% 130%, rgba(33, 39, 80, 1) 10%, #020409 100%);

}

.content {
    width: 100% auto;
    height: 100% auto;
}

#universe {
    width: 100% auto;
    height: 100% auto;
}

#footerContent {
    font-family: sans-serif;
    font-size: 110%;
    color: rgba(200, 220, 255, .3);
    width: 100%;
    position: fixed;
    bottom: 0%;
    padding: 20%;
    text-align: center;
    z-index: 20;
}

#footer {
    position: absolute;
    bottom: 0%;
    height: 300px;
    width: 100%;
}

#scene {
    height: 100%;
    position: absolute;
    left: 50%;
    margin-left: -768px;
}

a {
    text-decoration: none;
    color: rgba(200, 220, 255, 1);
    opacity: .4;
    -webkit-transition: opacity .4s ease;
    transition: opacity .4s ease;
}

a:hover {
    opacity: 1;
}

.txt {
    color: hsla(0, 0%, 0%, 0);
    text-shadow: #fff 0 0 10px;
    transition: text-shadow 2s cubic-bezier(0, 1, 0, 1);
}

@-moz-document url-prefix() {
    .txt {
        text-shadow: #fff 0 0 20px;
    }
}

#canvas{
    margin: 0 auto;
}