.index #noconteneur #nocontenu
{
  background-image:url("../../customization/style/images/bg-20.png") !important;
  background-size:auto 90%;
  background-position:center !important;
}

.index #noconteneur #nocontenu #login-box
{
  margin: 0 !important;
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  -ms-transform: translate(-50%, -50%) !important;
  transform: translate(-50%, -50%) !important;
}