spots of black paint, lines of highlighter or felt-tip marker horizontally. brushstrokes and dashes in brushstrokes

brush paint stroke ink texture black grunge dirty grimy paintbrush shape watercolor stain line set art brushstroke acrylic drawing dye graffiti graphic isolated splatter dash bright element abstract horizontal border marker background sticker trace smudge pen illustration white collection artistic freehand spot smear textured sale banner splash design ai generated