body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
}

#game-container {
    width: 100vw;
    height: 100vh;
}

#game-ui {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

#score, #life {
    color: white;
    font-size: 24px;
    font-family: Arial, sans-serif;
    margin-bottom: 10px;
}

#game-over {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.game-over-content {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
}

.game-over-content h1 {
    margin: 0 0 20px 0;
    color: #333;
}

#restartButton {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
}