body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
}

#restart-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    padding: 10px 20px;
    display: none;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

p {
    font-size: 16px;
    margin: 5px 0;
}

.controls {
    font-style: italic;
    color: #666;
}

#game-container {
    border: 2px solid #333;
    border-radius: 5px;
}

.info {
    font-size: 14px;
    color: #444;
    margin-bottom: 5px;
}