halftone dot. fade gradient. background dots. point texture. overlay effect. gradation transition. half tone polka. pop art

abstract art arts backdrop background backgrounds burst circle circular comic design designs dialog digital dot dots dotted dpi dtp duotone effect element elements fade gradation gradient half halfton halftone line misc net noise noisy optical overlay patern paterns pattern patterns point points poka polka polkadot polkadots pop popart prepress print raster rectangle retro round screen screentone speech square stipple subtle texture textured tiny tone transition vector vectors