black background..blue and yellow squares in abstraction run over a black background like tetris.

abstract animation appear art backdrop background ball beautiful black blink blue blur bright center circle circular circus clipse cluster color colorful confusion cut decoration decorative decrease design dot dust effect fade fading flare flushing focus geometric glitter glow graphic hole hypnosis hypnotic increase infinite joy line lines modern motion moving night object optical oval pattern psychedelic roll rotate rotating round shape shine sign space sparkle spiral spot strip stripes swirl swirling symbol template texture triangle tunnel twist wallpaper