body {
            font-family: Arial, sans-serif;
            background-color: #bae7fd;
            margin: 0;
            padding: 0;
        }
        header {
            background-color: #003A66;
            color: white;
            padding: 20px 0;
            text-align: center;
        }
        nav {
            background-color: #003A66;
            overflow: hidden;
        }
        nav a {
            float: left;
            display: block;
            color: white;
            padding: 14px 20px;
            text-align: center;
            text-decoration: none;
        }
        nav a:hover {
            background-color: #ddd;
            color: black;
        }
        .container {
            padding: 20px;
        }
        .section-title {
            font-size: 24px;
            color: #333;
            margin-top: 20px;
        }
        .section-content {
            font-size: 16px;
            line-height: 1.6;
            color: #555;
            margin-bottom: 20px;
        }
        footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 10px 0;
            position: fixed;
            bottom: 0;
            width: 100%;
        }
        .callout {
            background-color: #e7f7e7;
            border-left: 5px solid #4CAF50;
            padding: 15px;
            margin-bottom: 15px;
        }