Ключевые слова: 3d, accident, alert, attention, background, banner, banner design, beware, black, button, careful, caution, computer, concept, danger, dangerous, design, error, exclamation, general, graphic, guard, hazard, icon, illustration, information, internet, isolated, mark, message, mistake, problem, realistic, risk, safety, security, sign, signal, site, symbol, traffic, triangle, warning, web, yellow,