#container { width:1000px; } #page { width:663px; } #center { width:663px; } #identifiant { float:left; width:40%; } #modules { float:left; width:40%; } #listeModules { position:absolute; width:500px; display:none; background-color:#FBF7AA; border:1px solid #000000; z-index:3; } #closelisteModules { float:right; padding:0.4em 1em; } #listeModules ul { width:100%; margin-left:-10px; list-style-type:none; } #listeModules ul li { display:inline; float:left; width:50%; } .blockh2{ margin:5px; }