.lightbox_bg{
    position: fixed;
    width: 100%;
    height: 100%;
    background: grey;
    z-index: 1;
    opacity: 0.7; 
}

.img_lightbox{
  	width: 400px;
    height: auto;
    position: absolute;
    margin: 0 auto;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    z-index: 100;
}
.toolbarLB {
  text-align: right;
  padding: 3px;
}
.lightbox .iframeContainer {
  vertical-align: middle;
  background: #CCC;
  padding: 2px;
}
.lightbox.closed {
  display: none;
}

@media (max-width: 991px){
	.img_lightbox{
	  	width: 200px;
	}
}