html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
    background: #111;
    font-family: Arial, Helvetica, sans-serif;
}

#game {
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    padding: env(safe-area-inset-top) env(safe-area-inset-right)
        env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#game canvas {
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    touch-action: none;
}

@media (orientation: portrait) {
    #game canvas {
        height: auto;
        aspect-ratio: 1280 / 800;
    }
}