Ключевые слова: bokeh, book, college, contemporary, device, digital, display, ebook, education, ereader, fiction, garden, green, hardback, hardcover, hobby, homework, knowledge, learn, leisure, literature, modern, nature, novel, open, outdoor, outside, page, paper, park, plant, reading, relaxation, relaxing, school, season, seasonal, selective focus, shallow depth of field, spring, story, study, summer, technology, text, textbook, university, yard,