DIV.divtabs {
  border-left: 1px solid #666; /*6c6;*/
  border-bottom: 1px solid #666; /*#6c6;*/
  padding-left: 10px;
  /*display: none;*/
  padding-bottom: 15px;
}

UL.tabnav {
    font: bold 11px verdana, arial, sans-serif;
    list-style-type: none;
    padding-bottom: 24px;
    border-bottom: 1px solid #666;/*6c6;*/
    margin: 0;
    position: relative;
    left: -11px;
    top: -2px;
}
UL.tabnav LI {
    float: left;
    height: 21px;
    background-color: #fee300;/*vert clair : #cfc;*/
    margin: 2px 0px 0 0px;
    border: 1px solid #666;/*6c6;*/
}
UL.tabnav LI.active {
    border-bottom: 1px solid #fff;
    background-color: #fff;
}
UL.tabnav A {
    /*float: left;*/
    display: block;
    color: #666;
    text-decoration: none;
    padding: 4px;
}
UL.tabnav LI A:hover {
    background: #fff;
}