The prompt focuses on creating a vibrant and cheerful 3D-style birthday greeting card in portrait orientation. The design feature festive elements such as balloons, cakes, and confetti, with a visually appealing 3D effect that adds depth and enhances the celebratory feel. It includes a customizable text area to allow personalization, making it suitable for both digital sharing and printing. The overall design aims to capture the joyous spirit of birthdays while ensuring versatility across different mediums.