Designed with a fluffy cream-colored cat peeking out of a muted gray container, this illustration pairs cozy texture with a slightly aloof attitude 🎂. The cat’s fur looks soft and full, with subtle darker tips on the ears and face that add depth against the lighter coat. Its jewel-like blue eyes stare straight ahead, and the tiny frown and faint brow crease give it a “really?” expression that feels like a teasing friend giving you side-eye at a party 🎉. The background is a softly shaded teal-blue field that keeps the scene calm while making the cat’s eyes and fur stand out. Across the upper area, the words “HAPPY BIRTHDAY” sit centered in tall, narrow, hand-drawn uppercase letters. The lettering appears in a dark tone that contrasts clearly with the teal backdrop and leaves plenty of open space around it. Fine fur strands and gentle shadows gather along the rim of the gray container, with the cat’s head and paws framed neatly against the smooth teal-blue background.