html, body {
    margin: 0;
    padding: 0;
    background: #1a1a2e;
    overflow: hidden;
    font-family: 'Monaco', 'Courier New', monospace;
    user-select: none;
}

#gameCanvas, #hudCanvas {
    position: absolute;
    top: 0;
    left: 0;
}

#gameCanvas {
    z-index: 1;
}

#hudCanvas {
    z-index: 2;
    pointer-events: none;
}