<Html> <pead> <meta http-equiv = "Content-Type" content = "text/html; charset = gb2312"/> <style> body {margin: 0px; padding: 0px; font-size: 12px; text-align: center;} body> div {text-align: center; margin-right: auto; margin-left: auto ;}. content {width: 900px ;}. content. left {float: left; width: 20%; border: 1px solid # FF0000; margin: 3px ;}. content. center {float: left; border: 1px solid # FF0000; margin: 3px; width: 57% }. content. right {float: right; width: 20%; border: 1px solid # FF0000; margin: 3px }. mo {height: auto; border: 1px solid # CCC; margin: 3px; background: # FFF }. mo h1 {background: # ECF9FF; height: 18px; padding: 3px; cursor: move }. mo. nr {height: 80px; border: 1px solid # F3F3F3; margin: 2px} h1 {margin: 0px; padding: 0px; text-align: left; font-size: 12px} </style> </pead> <body> dom0 dom1 dom2 dom3 dom4 dom5 dom6 dom7 dom8 dom9 dom10 dom11 </body> </ptml>
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]