.quiz-container {
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    padding: 10px 0;
}
.quiz-container h1 {
    font-size: 24px;
    margin: 10px 20px;
}
.quiz-container pre {
    margin: 10px 20px;
}
.quiz-container label {
    display: block;
    margin: 10px 20px;
}
.quiz-container button {
    display: block;
    margin-left: auto;
    margin-right: auto;
    font-size: 16px;
    background-color: #007bff;
    color: white;
    border: none;
    padding: 4px;
    width: 50%;
    border-radius: 22px;
    cursor: pointer;
    font-weight: bold;
}
.quiz-container button:hover {
    background-color: #0056b3;
}
.result {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    margin: 10px;
}