div { border : 1px solid #d3d3e3 } #north { margin:0; padding:1em; } #south { margin:0; padding:1em; } #east { margin:0; padding:1em; width:6em; height:22em; float:left; margin-right:1.1em } #west { margin:0; padding:1em; width:6em; height:22em; float:right; margin-left:1.1em } #center { margin:0; padding:1em; padding-bottom:0em; } #center:after { content:' '; clear:both; display:block; height:0; overflow:hidden }