body {
        font-family: Arial, sans-serif;
        background-color: #f0f0f0;
        text-align: center;
        padding: 50px;
    }
    h1 {
        font-size: 3rem;
    }
    .score {
        font-size: 2rem;
        margin: 20px 0;
    }
    .buttons {
        margin: 20px;
    }
    button {
        font-size: 1.5rem;
        padding: 15px 30px;
        margin: 10px;
        cursor: pointer;
        border-radius: 8px;
        border: none;
        background-color: #4CAF50;
        color: white;
        transition: background-color 0.3s;
    }
    button:hover {
        background-color: #45a049;
    }
    .result {
        font-size: 2rem;
        margin-top: 20px;
        font-weight: bold;
    }
    .instructions {
        margin-top: 30px;
        background: white;
        padding: 20px;
        border-radius: 10px;
        display: inline-block;
        max-width: 500px;
        font-size: 1.2rem;
        color: #333;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        text-align: left;
    }
    .instructions h2 {
        margin-top: 0;
        font-size: 1.5rem;
        color: #4CAF50;
    }
    .instructions ul {
        padding-left: 20px;
    }