Ключевые слова: abstract, abstract background, art, backdrop, background, crumpled paper, decoration, decorative, design, graphic background, grid, grid background, grid paper, grunge, material, modern, old, paper, paper background, pattern, poster background, powerpoint background, ppt, ppt background screen, presentation background, rough, stripes, surface, texture, textured, textured background, wall, wallpaper, white, white background,