DOCTYPE html> Insert title here * { border: 1px solid red; } html, body { padding: 0; margin: 0; height: 100%; } div#page { width: 1000px; height: 800px; margin-left: auto; margin-right: auto; margin-top: 70px; } header { height : 15%; background-color: yellow; } nav { width : 20%; height : 75%; background-color: orange; float : left; margin : 0 10px; } section { width: 740px; height : 75%; back..
