* { margin:0; padding:0; }

body { margin:10px; }
.tabs { background:#ddd; overflow:auto; padding:3px 0 0 10px; }
.tabs li { float:left; display:inline; font-size:12px; padding:4px 8px; }
.tabs li.selected { background:#fff; }

.tab { clear:both; display:none; padding:10px;}