Limited Time Offer! body font-family: Arial, sans-serif; .offer background-color: #f7f7f7; padding: 20px; border: 1px solid #ddd; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0,0.1); .button background-color: #4CAF50; color: #fff; padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; .bu