body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        header { background-color: #1a73e8; color: white; padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 1px; }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; }
        .mobile-menu { display: none; position: absolute; top: 15px; right: 15px; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; align-items: center; }
            nav.active { display: flex; }
            .mobile-menu { display: block; }
        }
        .container { max-width: 1200px; margin: 20px auto; padding: 0 20px; }
        h1 { color: #1a73e8; border-bottom: 2px solid #1a73e8; padding-bottom: 10px; }
        h2 { color: #0d47a1; margin-top: 30px; }
        h3 { color: #1565c0; }
        .btn { display: inline-block; background-color: #1a73e8; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .btn:hover { background-color: #0d47a1; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #e0e0e0; color: #333; padding: 5px 10px; margin: 5px; border-radius: 20px; }