Ключевые слова: antiseptic, back to school, background, blank, business, classroom, college, concept, coronavirus, covid19, design, diary, education, epidemic, hand sanitizer, kids, mask, medical, mockup, note, notebook, notepad, office, open, organizer, page, pandemic, paper, pen, pencil, pencils, plan, protection, reminder, school, space, supplies, top view, workplace, yellow, yellow background,