/* Sample CSS styles for the document */
            .container {max-width: 1200px; margin: 0 auto; padding: 20px;}
            .directory {background-color: #f4f4f4; padding: 15px; border-radius: 5px;}
            .directory h3 {font-size: 1.5em;}
            .directory ul {list-style-type: none;}
            .directory li {margin: 5px 0;}
            .content-section {margin-bottom: 30px;}
            .content-section h2 {font-size: 1.75em; color: #333;}
            .content-section ul {margin-left: 20px;}
            .intro p {font-size: 1.1em;}
            .recommendations {background-color: #f8f8f8; padding: 15px; border-radius: 5px;}
            .recommendations ul {list-style-type: none;}
            .recommendations li {margin: 10px 0;}
            .recommendations a {text-decoration: none; color: #1d72b8;}