html, body{
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #101010;
}
.container{
    width: 100%;
    height: 100%;
    margin-top: 0;
    margin-left: 0;
    position: relative;
}
.container > canvas{
    position: absolute;
    top: 0;
    left: 0;
}