body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { font-size: 2.5em; color: #2c3e50; margin-bottom: 20px; }
        h2 { font-size: 1.8em; color: #e74c3c; margin-top: 30px; }
        h3 { font-size: 1.4em; color: #3498db; margin-top: 25px; }
        p { margin-bottom: 15px; }
        .btn { display: inline-block; padding: 10px 20px; background-color: #27ae60; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .logo { font-size: 2em; font-weight: bold; color: #e74c3c; text-align: center; margin: 20px 0; }
        .nav { background-color: #34495e; overflow: hidden; }
        .nav a { float: left; display: block; color: white; text-align: center; padding: 14px 16px; text-decoration: none; font-size: 17px; }
        .nav a:hover { background-color: #ddd; color: black; }
        .nav .icon { display: none; }
        @media screen and (max-width: 600px) {
            .nav a:not(:first-child) {display: none;}
            .nav a.icon { float: right; display: block; }
            .nav.responsive {position: relative;}
            .nav.responsive .icon { position: absolute; right: 0; top: 0; }
            .nav.responsive a { float: none; display: block; text-align: left; }
        }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; }
        .footer { background-color: #2c3e50; color: white; text-align: center; padding: 20px 0; margin-top: 30px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #7f8c8d; color: white; padding: 5px 10px; margin: 5px; border-radius: 3px; }