Ключевые слова: art, background, barefoot, black, boot, button, color, colorful, contour, design, footprint, footstep, footwear, human, icon, identity, illustration, impression, imprint, ink, isolated, leg, line, linear, lineart, mark, mud, neon, outdoors, outline, paint, pattern, patterned, people, print, set, shoe, silhouette, sole, sport, step, symbol, trace, track, trail, walk,