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

body {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    font-family: 'Courier New', monospace;
}

#game-container {
    position: relative;
    border: 4px solid #444;
    border-radius: 4px;
    box-shadow: 0 0 40px rgba(0, 100, 255, 0.3);
}

canvas {
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}