body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    text-align: center;
}

.menu-container, .quiz-container {
    width: 50%;
    margin: auto;
    background: white;
    padding: 20px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
    border-radius: 8px;
}

button {
    display: block;
    width: 80%;
    padding: 10px;
    margin: 10px auto;
    font-size: 18px;
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background: #0056b3;
}

#progress-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 10px 0;
}

.progress-circle {
    width: 25px;
    height: 25px;
    margin: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 2px solid #ccc;
}

.correct {
    background-color: green;
    color: white;
}

.incorrect {
    background-color: red;
    color: white;
}

.pending {
    background-color: gray;
    color: white;
}

.question-image {
    width: 150px;
    display: block;
    margin: 10px auto;
}

.choices-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}