.container {
                max-width: 1200px;
                margin: 0 auto;
                padding: 20px;
            }

            .directory {
                background-color: #f7f7f7;
                padding: 20px;
                margin-bottom: 20px;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            }

            .directory h3 {
                font-size: 1.5em;
                margin-bottom: 10px;
            }

            .directory ul {
                list-style: none;
                padding-left: 0;
            }

            .directory ul li {
                margin: 5px 0;
            }

            .directory ul li a {
                text-decoration: none;
                color: #333;
            }

            .directory ul li a:hover {
                color: #007BFF;
            }

            .content-section {
                margin-bottom: 40px;
            }

            .content-section h1, .content-section h2 {
                font-size: 2em;
                color: #333;
            }

            .intro p {
                font-size: 1.1em;
                line-height: 1.6;
                color: #666;
            }

            table {
                width: 100%;
                border-collapse: collapse;
                margin-top: 20px;
            }

            table, th, td {
                border: 1px solid #ddd;
            }

            th, td {
                padding: 10px;
                text-align: left;
            }

            th {
                background-color: #f4f4f4;
            }

            .recommendations {
                background-color: #f7f7f7;
                padding: 20px;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            }

            .recommendations h3 {
                font-size: 1.5em;
                margin-bottom: 10px;
            }

            .recommendations ul {
                list-style: none;
                padding-left: 0;
            }

            .recommendations ul li {
                margin: 5px 0;
            }

            .recommendations ul li a {
                text-decoration: none;
                color: #333;
            }

            .recommendations ul li a:hover {
                color: #007BFF;
            }