Ключевые слова: 3d, adaptive, advertising, background, black, blank, branding, business, cellphone, communication, computer, design, desktop, device, digital, directly, display, electronics, empty, front, gadget, gray, isolated, laptop, mobile, mock, mockup, monitor, pad, pc, phone, portfolio, presentation, render, responsive, screen, smart, smartphone, tablet, tech, technology, telephone, template, touch, up, view, web, white,