darktable_to_lightgallery/res/css/lg-rotate.css

.lg-outer .lg-img-rotate {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  -webkit-transition: -webkit-transform 0.4s cubic-bezier(0, 0, 0.25, 1) 0s;
  -moz-transition: -moz-transform 0.4s cubic-bezier(0, 0, 0.25, 1) 0s;
  -o-transition: -o-transform 0.4s cubic-bezier(0, 0, 0.25, 1) 0s;
  transition: transform 0.4s cubic-bezier(0, 0, 0.25, 1) 0s;
}

.lg-outer[data-lg-slide-type='video'] .lg-rotate-left,
.lg-outer[data-lg-slide-type='video'] .lg-rotate-right,
.lg-outer[data-lg-slide-type='video'] .lg-flip-ver,
.lg-outer[data-lg-slide-type='video'] .lg-flip-hor, .lg-outer[data-lg-slide-type='iframe'] .lg-rotate-left,
.lg-outer[data-lg-slide-type='iframe'] .lg-rotate-right,
.lg-outer[data-lg-slide-type='iframe'] .lg-flip-ver,
.lg-outer[data-lg-slide-type='iframe'] .lg-flip-hor {
  opacity: 0.75;
  pointer-events: none;
}

.lg-rotate-left:after {
  content: '\e900';
}

.lg-rotate-right:after {
  content: '\e901';
}

.lg-icon.lg-flip-hor, .lg-icon.lg-flip-ver {
  font-size: 26px;
}

.lg-flip-ver:after {
  content: '\e903';
}

.lg-flip-hor:after {
  content: '\e902';
}