festive animal art, simple cat doodle with reindeer antlers on pastel background for whimsical holiday vibe

art cat doodle reindeer antlers pastel background whimsical holiday festive animal simple vibe christmas playful design creative illustration seasonal cute drawing artwork season spirit celebration winter mood decoration merry jolly joyous decorative artistry charming adorable delightful imaginative wonderland festivity theme feeling artful flare cheer ambiance atmosphere celebratory aesthetic ai generated