body{background-color:#f8f9fa;color:#333;font-family:Arial,sans-serif;margin:0;padding:0}.container{margin:0 auto;max-width:1200px;padding:0 15px}a{color:#3498db;text-decoration:none;transition:color .3s ease}a:hover{color:#2980b9;text-decoration:underline}.btn{background-color:#3498db;border:none;border-radius:4px;color:#fff;cursor:pointer;display:inline-block;padding:8px 16px;transition:background-color .3s ease}.btn:hover{background-color:#2980b9}.btn.btn-secondary{background-color:#2ecc71}.btn.btn-secondary:hover{background-color:#27ae60}