.border_b{
   border: 1px solid #4F4F4F;
}

.float{
   visibility: hidden;
   position: absolute;
   left: -3000px;
   z-index: 10;
}

.background-loader{
  background-color:white;
  background-repeat:no-repeat;
  background-position:50% 50%;
  background-image:url(images/loader.gif);
}

#div_survol_photo{
background:white url(images/ajax-loade2r.gif) center center no-repeat;
border:1px solid #AFAFAF;
}