body{
    background-color: rgb(36, 36, 36);
}
.container{
    border: 1px solid white;
    width: 700px;
    height: 600px;
    position: absolute;
    top: 50%;
    left:50%;
    transform: translate(-50%,-50%);
}
#canvas{
    background-color: rgb(24, 24, 24);
}