div.page-presse .content {
  float: left;
  width: 587px;
  height: 474px;
}

div.page-presse div.navigation {
  float: left;
  height: 474px;
  width: 187px;
  background: transparent url('../images/presse/degrade.jpg') repeat-x scroll top left;
}

  div.page-presse div.navigation img.illustration {
    margin: 90px 0 0 59px;
  }