Ключевые слова: anatomy, app, biology, black, bone, cemetery, cranium, danger, dead, death, design, element, evil, face, fear, green, halloween, head, horror, human, icon, illustration, isolated, line, linear, linear icon, logo, medical, outline, people, pictogram, pirate, scary, science, side, sign, silhouette, simple, skeleton, skull, spooky, style, symbol, tattoo, web, zombie,