html,
body {
    margin: 0;
    padding: 0;
}

canvas {
    display: block;
}

.overlay-userinput {
    display: grid;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.5);
    color: white;
    z-index: 2;
    /* display: none; */
}