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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background: #111;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    user-select: none;
    -webkit-user-select: none;
}

#game-canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    width: 768px;
    height: 576px;
    cursor: crosshair;
    outline: none;
}