body { /* sur le sélecteur ('body')*/
background-color: #ffffdd;
background-image: url("../images/logo_fondecran_ffffdd.jpg");
background-repeat: no-repeat;
background-position: center;
background-attachment: fixed;
}
div.center {
 text-align: center;
 font-weight: 700;
 }
 div.ariane {
 text-align: center;
 font-size: 10px;
 }
 div.citation {
 font-style: italic;
 color: green;
 }
  h1 {
 font-family: "Vineta BT", vernada, "Arial Black";
 }
 hr {
width: 80%;
}
ul {
list-style: disc;
}
 div.datemaj {
color: #ffffdd;
 }
 
 
ul#tabnav 
{
   font: bold 11px verdana, arial, sans-serif;
   list-style-type: none;
   padding-bottom: 24px;
   border-bottom: 1px solid #6c6;
   margin: 0;
}	
ul#tabnav li 
{
   float: left;
   height: 21px;
   background-color: #cfc;
   margin: 2px 2px 0 2px;
   border: 1px solid #6c6;
}
ul#tabnav li.active 
{
   border-bottom: 1px solid #ffffdd;
   background-color: #ffffdd;
}
#tabnav a 
{
   float: left;
   display: block;
   color: #666;
   text-decoration: none;
   padding: 4px;
}

#tabnav a:hover 
{
   background: #ffffdd;
}