Design a whimsical cartoon-style 12th birthday card. At the center of the image should be a delightful capybara wearing a festive party hat, shyly smiling. This shy capybara is surrounded by numerous gifts and a birthday cake adorned with twelve flickering candles. The background should swirl with a riot of festive confetti and floating balloons. A vibrant birthday banner should be present at the top of the card, with the number '12' featured prominently. The overall atmosphere should portray happiness and celebration.

Generated with these themes: Capybara, and 12th Birthday.

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