/* Attributs par défaut */
a{
font-family: Verdana;
font-size: 2;
font-weight: bold;
color: #0066FF;
text-decoration: underline;
border-color: #000000;
}
a:hover{
font-family: Verdana;
color: #0066FF;
text-decoration: underline;
border-color: #000000;
}

a.accueil{
font-family: Verdana;
color: #0066FF;
text-decoration: none;
}

#menu_optimEV dl, #menu_optimEV dt, #menu_optimEV dd, #menu_optimEV ul, #menu_optimEV li {
margin: 0;
padding: 0;
text-decoration:none;
list-style-type: none;
}
#menu_optimEV {
font-family:Verdana;
position: relative;
text-decoration:none;
left: 0;
z-index:100;
font-size:12px;
color:#0066FF;
}

[if lte IE 7]>
#menu_optimEV {
font-family:Verdana;
position: relative;
text-decoration:none;
bottom: 0px;
left: 0;
z-index:100;
font-size:12px;
color:#0066FF;
}
<![endif]

#menu_optimEV dl {
float: center;
/*width: 250px;*/
position: relative;
margin: 0 0px;
text-decoration:none;
}
#menu_optimEV dt {
width:5px;
cursor: pointer;
text-decoration:none;
background:#FFFFFF;
/*border: 1px solid gray;*/
color:#0066FF;
}
#menu_optimEV dd {
background-color: #CCCCFF;
position: absolute;
bottom:1.5em;
visibility:hidden;
width:300px;
}
#menu_optimEV li a, #menu_optimEV dt a {
color: #0066FF;
text-align:center;
text-decoration: none;
display: block;
height: 100%;
border: 0 none;
}
#menu_optimEV li a:hover {
background: #9CB4DF;
text-decoration: none;
color:#FFFFFF;
font-weight:bold;
}
#menu_optimEV dt a:hover {
text-decoration: underline;
color:#0066FF;
}
#menu_optimEV a {
text-decoration: none;
color: #FFFFFF;
}

body 
{
/*Couleurs de l'ascenceur*/
scrollbar-arrow-color: #003366;
scrollbar-3dlight-color: #003366;
scrollbar-darkshadow-color: #003366;
scrollbar-face-color: #FFFFFF;
scrollbar-highlight-color: #FFFFFF;
scrollbar-shadow-color: #CCCCCC;
scrollbar-track-color: #CCCCCC;
}