canvas {
    display: block;
    margin: 0 auto;
    width: 100%;
}
#controls {
    text-align: center;
    margin-bottom: 1rem;
}
#controls * {
    font-size: 1rem;
}

#three {
    margin-top: 1rem;
}

/* dat.GUI */
.dg li {
    margin-top: 0;
}

/* TODO disable on mobile */
.main {
    position: absolute;
}