img[data-gallery] { cursor: pointer; }

.overlay {
  background: rgba(0, 0, 0, 0.7);
  display: none;
  height: 100%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 999;
}

.imgActive img {
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  max-width: 100%;
  max-height: 90%;
}

.prev,
.next,
.close {
  transition: 0.3s ease all;
  display: inline-block;
  color: white;
  font-size: 6rem;
  opacity: 0.2;
  z-index: 1000;
}

.prev:hover,
.next:hover,
.close:hover {
  cursor: pointer;
  opacity: 1;
}

.prev,
.next {
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  position: absolute;
  top: 50%;
}

.prev { left: 100px; }

.next { right: 100px; }

.close {
  font-size: 4rem;
  position: absolute;
  top: 20px;
  right: 20px;
}

.coverImgOverlay {
  bottom: 20px;
  height: 100px;
  left: 50%;
  overflow: hidden;
  position: absolute;
  width: 3000%;
  z-index: 1000;
}

.coverImgOverlay span {
  display: inline-block;
  height: 100px;
  margin: 5px;
  overflow: hidden;
  position: relative;
  width: 100px;
}

.coverImgOverlay img {
  transition: 0.3s ease all;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  max-height: 100%;
  min-width: 100%;
  opacity: 0.2;
  width: auto;
}

.coverImgOverlay img:hover { opacity: 1 !important; }