body{
    background: linear-gradient(125deg, rgb(173, 216, 230), rgb(204, 153, 255));
    width: 100vw;
    height: 100vh;
    overflow: hiddden;
}
canvas{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
#collisionCanvas{
    opacity: 0;
}