body {
    margin: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Courier New', Courier, monospace;
}

canvas {
    border: 2px solid #333;
    background: linear-gradient(to bottom, #2c3e50 0%, #34495e 100%);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
    border-radius: 8px;
    width: 1200px;
    height: 800px;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulsing {
    animation: pulse 2s infinite;
}