body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
}

h1, h2, h3 {
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

input, textarea, select, button {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

a {
    color: #4CAF50;
    text-decoration: none;
    margin: 10px;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    background-color: #f9f9f9;
    margin: 5px 0;
    padding: 10px;
    border-radius: 4px;
}

.quiz-question {
    margin-bottom: 20px;
}

.quiz-options {
    margin-left: 20px;
}