/* CSS Document */

body {
	font-family: Georgia, "Times New Roman", Times, serif;
	color: #FFFFFF;
	margin: 0px;
	padding: 0px;
	font-size: 12px;
	font-style: normal;
	background-image: url(images/_gen_Img1_0.png);
}
a:link {
	color: #FFFFFF;
	text-decoration: none;
}
a:visited {
	text-decoration: none;
	color: #FFFFFF;
}
a:hover {
	text-decoration: none;
	color: #FF0000;
}
a:active {
	text-decoration: none;
	color:#FF0000;
}
#Layer1 {	position:absolute;
	left:1px;
	top:95px;
	width:183px;
	height:77px;
	z-index:1;
}
#Layer2 {
	position:absolute;
	left:1px;
	top:433px;
	width:190px;
	height:79px;
	z-index:2;
}
.Style10 {
	font-size: 18px;
	font-weight: bold;
}
body,td,th {
	color: #FFFFFF;
}
.Style11 {font-size: 18px; font-weight: bold; color: #CCCCCC; }
.Style12{
	font-family: Arial, Helvetica, sans-serif;
	font-weight: bold;
	color: #FFFFFF;
	font-size: 16px;
}
.Style13 {color: #FFFFFF}
.Style32 {color: #FF3300}
/* MENU ENTETE  ET GAUCHE */
dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}
#site {
position: absolute;
z-index: 1;
top : 70px;
left : 10px;
background-color: #595959;
padding: 5px;
border: 1px solid black; 
}
/* MENU ENTETE */
#menu {
position: absolute; /* placement du menu, à modifier selon vos besoins */
top: 0;
right: 0;
z-index:100;
}
#menu dl {
float: left;
width: 13em;
}
#menu dt {
cursor: pointer;
text-align: center;
font-weight: bold;
background: #595959;
border: 1px solid gray;
margin: 1px;
}
#menu dd {
display: none;
border: 1px solid black;
}
#menu li {
text-align: center;
background: #595959;
}
#menu li a, #menu dt a {
text-decoration: none;
display: block;
height: 100%;
border: 0 none;
}
#menu li a:hover, #menu li a:focus, #menu dt a:hover, #menu dt a:focus {
background: #595959;
}
<style type="text/css" media="screen">
<!-- 
/* MENU GAUCHE ACCUEIL */
#menu-b {
z-index:100;

}
#menu-b dl {
float: center;
width: 13em;
}
#menu-b dt {
cursor: pointer;
text-align: center;
font-weight: bold;
background: #595959;
border: 1px solid gray;
margin: 1px;
}
#menu-b dd {
display: none;
border: 1px solid black;
}
#menu-b li {
text-align: center;
background: #595959;
}
#menu-b li a, #menu-b dt a {
text-decoration: none;
display: block;
height: 100%;
border: 0 none;
}
#menu-b li a:hover, #menu-b li a:focus, #menu-b dt a:hover, #menu-b dt a:focus {
background: #595959;
}
/* photos defilant */
#Defilementshowroom {
	position:absolute;
	left:735px;
	top:50px;
	width:141px;
	height:100px;
	z-index:25;
}