#right_sidebar #bloc_facebook
{
   width:270px;
   background-color:#074590;
   margin:15px auto auto auto;
}
#right_sidebar #bloc_facebook .contenu_bloc
{
   width: 250px;
   background-color: white;
   font-size: 11px;
   margin-top: 5px;
   margin-right: auto;
   margin-bottom: 0px;
   margin-left: auto;
   padding-top: 15px;
   padding-right: 0px;
   padding-bottom: 5px;
   padding-left: 0px;
}