.lavalamp-contener{
background-color: transparent;
margin: 10px auto;
width: 990px;
}                          

.lavaLampBottomStyle{
margin: 0 0 0 -5px;
width: 962px;
}          

.lavaLampWithImage{
background: transparent url(/modules/blockmenulavalamp/images/bg.gif) no-repeat scroll center top;
margin: 16px 0 0 -5px;
width: 962px;
}

#searchbox_text{
margin-top:25px;
}

<!--ERIC-ajout pour centrer le menu lavalamp-->