html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: #090b10;
    font-family: Arial, Helvetica, sans-serif;
    touch-action: none;
}

body {
  display: grid;
  place-items: center;
}

#game-shell {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#game-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#game-container canvas {
        display: block;
        max-width: 100%;
        max-height: 100%;
}