The illustrations feature

The illustrations feature vibrant colors such as pink, yellow, green, purple, blue, and orange. At the center of the image is a three-tiered cake surrounded by colorful balloons, exuding a festive and joyful atmosphere. The cake is adorned with polka dot patterns, while the balloons are decorated with simple lines and dots. The overall composition is set against a white background, creating a lively and charming visual effect that conveys a sense of joy and celebration—aspect ratio 9:21