#site {
position: absolute;
z-index: 1;
top : 15px;
left : center;
color: #000000;
background-color: #ffffff;
padding: 5px;
border: 1px solid gray; 
}
dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}
#menu2 {
position: absolute; /* placement du menu, à modifier selon vos besoins */
top: 142px;
left: 0;
z-index:100;
width: 100%; /* correction pour Opera */
background-image:url('barre_menu.jpg');
background-repeat:no-repeat;
height:34px;
}
#menu2 dl {
float: left;
width: 130px;
}
#menu2 dt {
cursor: pointer;
text-align: center;
border: 0px solid gray;
margin: 7px;
color:#ffffff;
}
#menu2 dt a:hover, #menu2 dt a:focus{
cursor: pointer;
text-align: center;
background-image:url('menuover_s.jpg');
background-repeat:no-repeat;
border: 0px solid gray;
margin: 7px;
color:#ffffff;
}
#menu2 dd {
display: none;
border: 1px solid gray;
width:120%;
}
#menu2 li {
background: #f8f9fa;
padding-left:6px;
padding-right:6px;

}
#menu2 li a {
color: #000;
text-decoration: none;
display: block;
height: 100%;
border: 0 none;
}
#menu2 dt a {
color: #ffffff;
text-decoration: none;
display: block;
height: 100%;
border: 0 none;
font-size:1em;
}
#menu2 li a:hover, #menu2 li a:focus {
background: #dcf1fb;
/*background-image:url('s_menuover.jpg')*/
}