#ls_presentation {
    background-color: #fff;
    width : 100%;
    margin: 0px auto;
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 10000;
}

.ls_slidemenu {
    position: fixed;
    margin: 0px;
	width: 100%;
	height:180px;
    top: 0px;
    background-color: #fff;
	overflow:hidden;
}

.ls_slidebody {
    margin: 180px 0px 0px 0px;
	width:100%;
    padding: 5px;
}