body { font-family: Arial, sans-serif; background-color: #f4f4f9; color: #333; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; } .container { text-align: center; max-width: 400px; width: 90%; background: #fff; padding: 20px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); } h1 { font-size: 24px; margin-bottom: 20px; } .link { display: block; margin: 10px 0; padding: 10px; background: #007BFF; color: white; text-decoration: none; border-radius: 5px; transition: background 0.3s ease; } .link:hover { background: #0056b3; }