/*** or use an image - Gallery with custom-class:  lightbox-gallery  ***/

 .avia_transform .lightbox-gallery a:hover .image-overlay {
  opacity: 1 !important;
  background-color: rgba(255,255,255,0.2);
}

#top .lightbox-gallery .image-overlay .image-overlay-inside {
  background: transparent;
}

#top .lightbox-gallery .image-overlay .image-overlay-inside::before {
	content: "" !important;
	height: 80px;
	width: 120px;
	line-height: 80px;
	left: 50%;
	top: 50%;
	margin: -40px 0 0 -60px;
	background: url("https://webers-testseite.de/wp-content/uploads/ezgif-6-8e7f63af06.gif");
	background-color: rgba(0,0,0,0) !important;
	background-repeat: no-repeat;
	background-size: 120px;
	opacity: 1;
	border-radius: 0;
	background-position: center center;
	border: 6px double blue;
}

#top .lightbox-gallery .image-overlay .image-overlay-inside::before {
  content: "\E80E" !important;
  font-family: entypo-fontello;
  font-size: 42px;
  font-weight: 400;
}