body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #87CEEB;
    font-family: Arial, sans-serif;
}

#game-container {
    position: relative;
    border: 2px solid #000;
    background-color: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

#game-canvas {
    display: block;
    background-color: #5C94FC;
}

#ui {
    position: absolute;
    top: 10px;
    left: 10px;
    color: white;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

#score, #lives, #fuel {
    margin-bottom: 5px;
    background-color: rgba(0,0,0,0.5);
    padding: 5px 10px;
    border-radius: 5px;
}

#fuel {
    color: #FFD700;
}

#instructions {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0,0,0,0.7);
    padding: 10px;
    border-radius: 5px;
    font-size: 14px;
    color: white;
    max-width: 200px;
}

#instructions p {
    margin: 5px 0;
    font-size: 12px;
}