body {
    background-color: #1a1a1a;
    color: #f0f0f0;
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 20px;
    height: 100vh;
    box-sizing: border-box;
}

h1 {
    margin-top: 0;
    color: #e0e0e0;
}

#game-container {
    border: 2px solid #505050;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

canvas {
    display: block;
    background-color: #000000;
}

.instructions {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #cccccc;
    line-height: 1.5;
}

.instructions p {
    margin: 5px 0;
}