body {
            font-family: Arial, sans-serif;
            background: #ffe6e6; /* Light reddish background */
        }
        .container {
            margin-top: 50px;
        }
        .navbar {
            background-color: #cc3333; /* Dark red navbar */
        }
        .navbar .nav-link {
            color: #fff !important;
        }
        .navbar .nav-link.active {
            color: #f1f1f1 !important;
            background-color: #990000; /* Active link color */
        }
        .navbar .nav-link:hover {
            background-color: #990000; /* Hover effect on nav links */
        }
        .restricted {
            color: #cc3333; /* Red for restricted access */
            font-weight: bold;
        }
        .btn-primary {
            background-color: #cc3333; /* Red button */
            border-color: #cc3333;
        }
        .btn-primary:hover {
            background-color: #990000; /* Dark red on hover */
            border-color: #990000;
        }
        footer {
            background-color: #cc3333; /* Red footer */
            color: #fff;
        }