html {
    background-color: black;
    overflow: hidden;
}

canvas {
    position: absolute;
    top: 0px;
    left: 0px;
}

.controls {
    font-family: monospace;
    position: absolute;
    z-index: 1;
}

#image {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

button,
#image+label {
    font-size: 12px;
    font-weight: 700;
    color: white;
    background-color: #233142;
    border: none;
    border-radius: 4px;
    padding: 0.5vw;
    display: inline-block;
    cursor: pointer;
}

#image:focus+label,
#image+label:hover {
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
}