.gallery_preview_item {
  border: 0;
  border-radius: 0;
}
.gr_captionBlack {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 240px;
  height: 30px;
  padding: 0 15px;
  border: 0;
  border-radius: 0;
  background: rgba(0, 0, 0, 0.5);
  font-size: 11pt;
  font-weight: bold;
  line-height: 30px;
  text-align: center;
  color: #fff;
  opacity: 1;
  overflow: hidden;
  transition: all 0.5s ease;
}
.gr_captionBlack > p {
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.5s ease;
}
.gr_captionBlack:hover {
  opacity: 1;
}
.gr_captionBlack:hover > p {
  margin-top: 0;
}
.gr_arrowL,
.gr_arrowR {
  display: block;
  position: absolute;
  /* size of arrow element */
  width: 55px;
  height: 55px;
  cursor: pointer;
  /* background: url('/img/index/a21.png') no-repeat; */
  overflow: hidden;
}
.gr_arrowL {
  background-position: -3px -33px;
}
.gr_arrowR {
  background-position: -63px -33px;
}
.gr_arrowL:hover {
  background-position: -123px -33px;
}
.gr_arrowR:hover {
  background-position: -183px -33px;
}
.gr_arrowL.gr_arrowLdn {
  background-position: -243px -33px;
}
.gr_arrowR.gr_arrowRdn {
  background-position: -303px -33px;
}