body {
    font-family: Arial, sans-serif;
    background: #f0f4f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 500px;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

#answers button {
    display: block;
    margin: 10px auto;
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background-color: #3498db;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

#answers button:hover {
    background-color: #2980b9;
}

button#next-btn, button#restart-btn {
    margin-top: 20px;
    padding: 10px 25px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background-color: #2ecc71;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button#next-btn:hover, button#restart-btn:hover {
    background-color: #27ae60;
}

.hide {
    display: none;
}