degrade square seamless pattern. black fading line on white background. ?ontemporary fades texture. modern faded art

arc art bar border degrade degradee designs diffuse disappearing effect fade geo geometric geometry geos gradated gradation gradient gray grayscale grey greyscale halftone horizontal infinite intricate isolation line lineal linear lines liny motif net opacity overlay parallel parametric patern paternal paterned paternes paternity paterns pattern patterned patternes patterns print rectangle screentone shade square stippled straight streak streaks stripe stripes strips thick thickness thin transition vintage wallpaper