Ключевые слова: abstract, area, areas, backdrop, background, banner, black, black square, black squares, business, concept, cover, decoration, design, digital, form, geometrica, geometry, graphic, grid, illustration, increased , layout, light, line, math, mathematics, modern, mosaic, order, paper, pattern, red background, red line, red line background, shape, space, square, squares, style, system, technology, template, texture, the lines, the transition, transitions, website,