body {
  	font-size: 10px;
	font-family: Verdana;
	background: #ffffff; background-image:url(../images/bg-sahara.jpg); background-attachment:fixed;
	color: #000;
	text-align: center;
	margin: 0;
	padding: 0;
	}
a, a:visited{
	color: #313184;
	text-decoration: none;
	}
a:hover {
	color: #313184;
	text-decoration: none;
	}
.input_text {
	font-family: Arial, sans-serif;
	font-size: 11px; 
	font-weight: normal;
	color: #000000; 
	border: 1px solid #CCCCCC; 
	background-image: url(../images/tfshd.gif);
	padding-left: 4px;
}
#menu_bar {
	background: url(../images/menu.png) top no-repeat;
	width:960px;
	height: 40px;
	padding:0px;
	margin:0px;
	text-transform: uppercase;
	float: left;
	}
ul#navlist {
	margin:0;
	white-space: nowrap;
	float:left;
	width:960px;
	padding-left: 0px;
	padding-right: 0px;
	}
ul#navlist li {
	display:inline;
	list-style-type: none;
	}
ul#navlist li.hom a:hover{
	background: url(images../home.png) top left no-repeat;
	}
ul#navlist li a {
	background: url(../images/line.png) top right no-repeat;
	font-family:georgia;
	font-size:12px;
	font-weight:bold;
	text-align:center;
	color: #efefef;
	height:25px;
	margin:0;
	padding:17px;
	display:block;
	float:left;
	text-decoration: none;
	}
ul#navlist li a:hover {
	background: url(../images/hover.png) top left repeat-x;
	color: #6d6d6d;
	}
#menu_bar_adm {
	background: url(../images/menu_adm.png) top no-repeat;
	width:1000px;
	height:70px;
	padding:0px;
	margin:0px;
	text-transform: uppercase;
	float: left;
	}
ul#navlistadm {
	margin:0;
	white-space: nowrap;
	float:left;
	width:900px;
	padding-left: 0px;
	padding-right: 0px;
	}
ul#navlistadm li {
	display:inline;
	list-style-type: none;
	}
ul#navlistadm li a {
	background: url(../images/line.png) top right no-repeat;
	font-family:georgia;
	font-size:12px;
	font-weight:bold;
	text-align:center;
	color: #efefef;
	height:25px;
	margin:0;
	padding:17px;
	display:block;
	float:left;
	text-decoration: none;
	}
ul#navlistadm li a:hover {
	background: url(../images/hover.png) top left repeat-x;
	color: #6d6d6d;
	}
<!-- style des pages d'administration -->
.titre_text {
	FONT-FAMILY: Verdana, sans-serif;
	FONT-SIZE: 15px;
	FONT-WEIGHT: normal;
}

.z1_bg {
	FONT-FAMILY: Verdana, sans-serif;
	FONT-SIZE: 13px;
	FONT-WEIGHT: bold;
	PADDING: 5px;
	COLOR: #ffffff;
	background-image: url(../images/head_bg.jpg); 
}

.z2_bg {
	FONT-FAMILY: Verdana, sans-serif;
	FONT-SIZE: 13px;
	FONT-WEIGHT: bold;
	PADDING: 5px;
	COLOR: #ffffff;
	background-image: url(../images/head_bg2.jpg) ; 
}

.z_bg {
	FONT-FAMILY: Verdana, sans-serif;
	FONT-SIZE: 12px;
	text-align: justify;
	BORDER-RIGHT: #ffffff 1px solid;
	BORDER-TOP: #ffffff 1px solid;
	BORDER-LEFT: #ffffff 1px solid;
	BORDER-BOTTOM: #ffffff 1px solid;
	background-image: url(../images/bg.jpg); 
	padding-left: 2px;
	padding-right: 2px;
}

.table_border {
	BORDER-RIGHT: #6e85b1 1px solid;
	BORDER-TOP: #6e85b1 1px solid;
	BORDER-LEFT: #6e85b1 1px solid;
	BORDER-BOTTOM: #6e85b1 1px solid;
	BACKGROUND-COLOR: #ffffff;
	padding: 0px;
}
ul#navlist1 li {
	display:inline;
	list-style-type: none;
	}
ul#navlist1 {
	margin:0;
	float:center;
	width:900px;
	}
ul#navlist1 li a {
	font-family:verdana;
	font-size:11px;
	font-weight:bold;
	text-align:center;
	color: #000000;
	height:25px;
	margin:0;
	padding:17px;
	display:block;
	float:left;
	text-decoration: none;
	}
ul#navlist1 li a:hover {
color: #6d6d6d;
	}
<!--------- annonce coulissante -->
#xo-header {  
   
	margin-top:0px;
	position:relative ;
}
#topbar{
position:absolute;
background-color: white;
width: 300px;
height: 250px;
visibility:visible ;
z-index:100 ;
}
<!-----------info bull---------->
.index_item a{
text-decoration:none;
font-family:Arial ;
}
.index_item a:hover{
color:#535050;
z-index:1000;
}
.index_item {
position: relative;
float:left;
font-size:11px;
margin:2px 4px 2px 0px;
text-align:left;
min-height:130px;
width:98px;
padding:3px;

}

.index_info_center {
color:#666666;
float:center;
font-size:10px;
text-align:center;
/*width:65px;*/
}

.index_item img {
border:#535050 solid 2px;
padding:0px;
margin-left:10px;
}

.index_item img:hover {
border:#f0901e solid 2px;
}
/* INFO BULLE */
.index_item.info_bulle:hover{
 background: none; /* correction d'un bug IE */
z-index: 500;

}
.index_item .info_bulle b{
font-style:normal;
font-family:verdana;
font-size:13px;

}

div > .index_item, td > .index_itemtd {
	
	position:static; 
	overflow:visible;
}
.index_item .info_bulle em
{	display:none;

}   
.index_item:hover .info_bulle {
position:relative;z-index:500;
}

.index_item:hover .info_bulle em
{
font-size:13px;
clear:both;
line-height:15px; display:block; position:absolute; top:10px; left:20px; padding:5px; border:4px solid #fff; background:#FFDA8C; color: #000; width:400px

}