In the foreground of the birthday greeting card, position an expressive and whimsical hand-drawn scene inspired by the enchanting worlds of Maxfield Parrish and Maurice Sendak. The central focus is an enormous, intricately decorated birthday cake shaped like a Truffula tree from Dr. Seuss's "The Lorax." The cake is a vibrant, swirling tower of pastel yellows, oranges, and pinks with candy-striped layers, topped with a tuft of bright cotton candy mimicking the fluffy Truffula tops.

Around the cake, add small, anthropomorphic woodland creatures reminiscent of Beatrix Potter's detailed animal characters, wearing tiny party hats. A rabbit with a waistcoat plays a tiny accordion, while a hedgehog balances cupcakes on its quills.

In the background, create an otherworldly landscape inspired by Arthur Rackham's intricately lined illustrations, with rolling hills and whimsical trees, their branches twisting into the air. Use deep emerald greens and blues with hints of golden sunlight peeking through. These elements should frame the scene, creating a sense of depth and enchantment.

Include a stylized banner arcing above the cake, hanging between two tall Truffula trees. The banner, in the style of Quentin Blake's lively calligraphy, reads "Happy Birthday, Mr. Cole!" The letters are playfully uneven, as though crafted by hand with an old-fashioned fountain pen, featuring a mix of bold indigos and bright yellows that pop against the lush background.

Scattered throughout, add small details like whimsical mushrooms with polka-dot caps and curious insects observing the scene, each drawn with detailed linework inspired by Aubrey Beardsley's distinctive style, adding a layer of depth and intricacy to the celebration.

Generated with these themes: Lorax.

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