.inv-grid-message span{
  background: yellow none repeat scroll 0 0;
  height: 40px;
  line-height: 40px;
  position: fixed;
  text-align: center;
  width: 100px;
  z-index: 999;
  left: 50%;
  top: 50%;
  margin-top: -20px;
  margin-left: -50px;
}
.inv-grid-message{
  display: none;
  background: rgba(255,255,255,0.5);
  position: fixed;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 999;
}
.inv-grid.masonry .inv-grid-inner{
  position: relative;
}
.inv-grid-inner{
  position: relative;
  overflow: hidden;
}
.inv-grid-item .inv-grid-item-inner{
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-size: cover;
  background-position: center center;
}