.container {
    max-width: 1200px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
}
.content {
    padding: 10px;
}
.back-btn {
    display: inline-block;
    margin-bottom: 20px;
    color: #007bff;
    text-decoration: none;
}