two spherical objects are attracted to each other. a gradient of colours. abstract background. template for poster, flyer, banner

symmetrical spherical transparent color glass element emblem cover design overlapping overlay layer abstract art backdrop blend bright colour attraction dynamic flyer form geometric gradient identity liquid minimalism motion paint print shape slice template translucent crystal blob blot cloud effect flow fluid ink pattern smooth structure illustration advertising background two objects are attracted each other colours for poster banner book vector other colours background cover effect