html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
}
canvas {
    background: black;
    image-rendering: pixelated;
    height: 100vh;
}
#hiddenCanvas {
    display: none;
}
#instructions {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    font-family: monospace;
    color: white;
    font-size: 16px;
}