body { font-family: Arial, sans-serif; margin: 0; padding: 0; } .container { max-width: 600px; margin: 0 auto; padding: 10px; text-align: center; } input[type="text"] { width: 100%; padding: 10px; margin-bottom: 10px; border-radius: 5px; border: 1px solid #ccc; font-size: 16px; color: #555; }