Ключевые слова: activity, american, art, background, ball, blue, college, color, colorful, competition, contour, design, equipment, exercise, field, football, fun, game, goal, graphic, icon, illustration, isolated, lace, league, leather, leisure, line, linear, lineart, object, outline, oval, play, professional, recreation, rugby, shape, sign, single, spiral, sport, symbol, team, touchdown, white,