body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}
.container {
    max-width: 960px;
    margin: auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1, h2, h3 {
    color: #333;
}
a.back-button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}
a.back-button:hover {
    background-color: #0056b3;
}