Description de la catégorie cachée sous l'image et visible au survol de celle-ci

/* CODES CSS CATEGORIES AUX DESCRIPTIONS CACHEES */


.cate
{
  width: 400px;
  height: 120px;
  overflow: hidden;
  border: 2px solid #000000;
  background-color: #ffffff;
}
.cate_img
{
  position: relative;
  z-index: 2;
  width: 400px;
  height: 120px;
  margin-left: 0px;
    transform: all;
-moz-transform: all;
-o-transform: all;
-htm-transform: all;
-webkit-transform: all;
transition: 1s;
-moz-transition: 1s;
-o-transition: 1s;
-htm-transition: 1s;
-webkit-transition: 1s;
}
.cate:hover .cate_img
{
margin-left: 400px;
transform: all;
-moz-transform: all;
-o-transform: all;
-htm-transform: all;
-webkit-transform: all;
transition: 1s;
-moz-transition: 1s;
-o-transition: 1s;
-htm-transition: 1s;
-webkit-transition: 1s;
}
.cate_description
{
  position: relative;
  z-index: 1;
  width: 400px;
  height: 120px;
  margin-top: -120px;
  text-align: justify;
  font-size: 11px;
  color: #8c8c8c;
  padding: 2px;
  overflow: auto;
}

<div class="cate"><div class="cate_img"><img src="http://i166.photobucket.com/albums/u106/chidori-chan_01/onakiri.png" /></div><div class="cate_description">Nec minus feminae quoque calamitatum participes fuere similium. nam ex hoc quoque sexu peremptae sunt originis altae conplures, adulteriorum flagitiis obnoxiae vel stuprorum. inter quas notiores fuere Claritas et Flaviana, quarum altera cum duceretur ad mortem, indumento, quo vestita erat, abrepto, ne velemen quidem secreto membrorum sufficiens retinere permissa est. ideoque carnifex nefas admisisse convictus inmane, vivus exustus est.</div></div>
<div style="clear: both;"></div>