body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}
section {
    margin: 20px auto;
    width: 80%;
    background: white;
    padding: 20px;
    border: 1px solid #ddd;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
form input, form button {
    padding: 10px;
    margin: 5px;
    width: calc(100% - 20px);
}
form button {
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}
form button:hover {
    background-color: #0056b3;
}