horizontal line pattern. from thin line to thick. parallel stripe. black streak on white background. straight gradation stripes. a

pattern gradient geometric patern line lines texture halftone vector background age parallel streak streaks print effect screen black abstract tone liny greyscale graphic white gorizontal modern strips stripy linear lineal ripple gradation art thin wallpaper patterns paterns backdrop design paternity patterned patternes bg fade half halfton halftones tones screentone semitone border geometrics geometry geometrical geo geometri lattice straight grayscale