Ключевые слова: background, blank, book, booklet, business, catalogue, clean, closed, content, copy, corporate, cover, design, document, education, element, empty, isolated, leaflet, leather, marketing, mock, mockup, note, notebook, object, office, page, paper, paperback, presentation, print, realistic, shape, single, space, square, symbol, template, textbook, texture, textured, up, white,