body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f0f0f0;
            color: #333;
        }
 .navbar {
            background-color: #005792;
            overflow: hidden;
            font-size: 17px;
        }
        .navbar a {
            float: left;
            display: block;
            color: white;
            text-align: center;
            padding: 14px 16px;
            text-decoration: none;
        }
        .navbar a:hover {
            background-color: #00d4ff;
        }
        .header {
            display: flex;
            justify-content: center;
            background-color: #007bff;
            color: #fff;
            text-align: center;
            padding: 20px 0;
            background-image: linear-gradient(to right, #00d4ff, #005792);
        }
        .header img {
            margin-top:-15px;
            max-width: 150px;
            height: auto;
        }