Ключевые слова: activity, american, art, background, ball, college, color, colorful, competition, design, element, equipment, field, flat, football, fun, game, goal, graphic, icon, illustration, image, isolated, lace, league, leisure, object, oval, pigskin, play, pop, popart, poster, power, professional, recreation, retro, rugby, score, shape, sign, single, skin, sport, style, symbol, team, touchdown, vintage,