* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000000;
    display: flex;
    justify-content: center;
    align-items: center;
}

#gameCanvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
    background-color: #0a0a1e;
}

#textOverlay {
    position: absolute;
    pointer-events: none;
    overflow: hidden;
    font-family: 'Courier New', Courier, monospace;
    color: #fff;
    /* sized/positioned by JS to match canvas */
}