body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: url('image/background.webp');
    background-size: cover;
    background-position: center;
    color: #333;
}

#quiz-container {
    text-align: center;
    width: 90%;
    max-width: 600px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

button {
    padding: 10px 20px;
    margin-top: 20px;
    font-size: 16px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.hidden {
    display: none;
}

#choices button {
    display: block;
    margin: 10px auto;
    width: 100%;
    padding: 10px;
    background-color: #f4f4f9;
    border: 1px solid #ddd;
    color: #333;
    border-radius: 15px;
    cursor: pointer;
}

#choices button.selected {
    background-color: #007bff;
    color: #fff;
}

.correct-answer {
    text-align: center;
    width: 96%;
    max-width: 600px;
    padding: 10px;
    background:#7ed833;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.incorrect-answer {
    text-align: center;
    width: 96%;
    max-width: 600px;
    padding: 10px;
    background: red;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.selected-answer {
    border: 2px solid blue;
    margin: 5px 0;
    padding: 10px;
    border-radius: 15px;
}

#score {
    margin-top: 20px;
    font-size: 20px;
}