a retro birthday pattern with elegant cakes, presents, and balloons in a timeless 1950s pastel color palette

cartoon sketch drawing art pattern design poster painting circle lighting font iron clothing text organ vintage-themed birthday featuring ornate cakes presents balloons classic 1950s color scheme retro elegant timeless pastel palette retro-inspired features evokes nostalgic mid-century celebration vintage pattern cakes presents balloons 1950s style retro colors design celebration mid-century party theme decor old-school