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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#game-container {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    overflow: hidden;
}