bright lines marker drawn with felt-tip pen curve wavy meaningless zigzag rainbow

abstract backdrop background banner blot blue border bright business clipart collection colorful curve decoration decorative design different draw drawing drawn fastdrawn felttip graffiti graphic hand handdrawn handmade highlight highlighter icon line lines mark marker meaningless office paper pattern pen pencil rainbow rough scratch scrawl scribble scribbled set sign simple sketch sketchy spot stroke style texture touches wavy zigzag