green, yellow and rainbow playful fractal background art with colorful s. creative graphic template for fun children events,

abstract art artistic backdrop background banner birthday bkg blue bold bright burst card celebration cheerful child children color colorful concept cover creative decoration decorative design digital element energy enjoy event fractal friends full fun game gradients graphic green happy illustration image inspiration invitation joy kids layout light lively loud magazine merry modern party pattern play playful poster print rainbow render rendered resource shapes style template texture vibrant vivid wallpaper yellow young