Container { width: 100%; max-width: 800px; margin: 0 auto; padding: 20px; border: 1px solid #ddd; border-radius: 8px; background: #f9f9f9; }. header { text-align: center; background-color: #f0f0f0; padding: 10px; border-bottom: 2px solid #ddd; font-size: 18px; font-weight: bold; color: #0056b3; }.
eBay