div { color: red; } // the "div" in .css is a selector targeting all 
 elements
simpleSelector = document.querySelectorAll()("div"); // all divs 
complexSelector = document.querySelector("div.user-panel.main input[name='login']")  // the first  element with the name "login" () located inside a 
 whose class is "user-panel main" (
) in the document is returned