body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000000;
    font-family: 'Courier New', Courier, monospace;
}

#canvas {
    display: block;
    width: 100%;
    height: 100%;
    /* Enforce strict Black/White by thresholding at the compositor level */
    filter: contrast(100000%) grayscale(100%);
}

#instructions {
    position: absolute;
    bottom: 20px;
    right: 20px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    pointer-events: none;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}