body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            background-color: #f4f4f9;
            color: #333;
        }
.btn {
            display: inline-block;
            margin-top: 1rem;
            padding: 0.8rem 1.2rem;
            background: #0073e6;
            color: white;
            text-decoration: none;
            border-radius: 5px;
        }
        header {
            background: #0073e6;
            color: white;
            padding: 1rem 0;
            text-align: center;
        }
        header h1 {
            margin: 0;
        }
        .container {
            max-width: 1100px;
            margin: auto;
            padding: 2rem;
        }
        section {
            margin-bottom: 2rem;
        }
        h2 {
            color: #0073e6;
        }
        
        .btn:hover {
            background: #005bb5;
        }
        footer {
            background: #333;
            color: white;
            text-align: center;
            padding: 1rem 0;
            margin-top: 2rem;
        }