body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

h1 {
    text-align: center;
    margin-top: 20px;
}

form, #quiz-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 5px;
}

#next-question {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#next-question:hover {
    background-color: #0056b3;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.quiz-header {
    background-color: #4CAF50;
    color: #fff;
    padding: 20px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

#quiz-container {
    padding: 20px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: #4CAF50;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #45a049;
}

#scores-container {
    margin-top: 20px;
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #fff;
    border-radius: 5px;
    margin-bottom: 10px;
}

.score-item:nth-child(even) {
    background-color: #f2f2f2;
}