상황3(플로팅하나+마진)

상황3(플로팅하나+마진) div{ outline:1px #f00 dotted;} .header, .footer{ height:100px;} .sidebar{ width:30%; margin-left:70%; background:#ffcccc;} .content{ width:70%; float:left;} .footer{ clear:left;} 머리말 본문c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c cc c c c c c c c c 사이드바sssssssssssssssssssssssssss...