.viewer-zoom-in:before,
.viewer-zoom-out:before,
.viewer-one-to-one:before,
.viewer-reset:before,
.viewer-prev:before,
.viewer-play:before,
.viewer-next:before,
.viewer-rotate-left:before,
.viewer-rotate-right:before,
.viewer-flip-horizontal:before,
.viewer-flip-vertical:before,
.viewer-fullscreen:before,
.viewer-fullscreen-exit:before,
.viewer-close:before {
  display: block;
  width: 20px;
  height: 20px;
  background-image: url("data:image/png;base64,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");
  background-repeat: no-repeat;
  @include text-hide();
}

.viewer-zoom-in:before {
  background-position: 0 0;
  content: "Zoom In";
}

.viewer-zoom-out:before {
  background-position: -20px 0;
  content: "Zoom Out";
}

.viewer-one-to-one:before {
  background-position: -40px 0;
  content: "One to One";
}

.viewer-reset:before {
  background-position: -60px 0;
  content: "Reset";
}

.viewer-prev:before {
  background-position: -80px 0;
  content: "Previous";
}

.viewer-play:before {
  background-position: -100px 0;
  content: "Play";
}

.viewer-next:before {
  background-position: -120px 0;
  content: "Next";
}

.viewer-rotate-left:before {
  background-position: -140px 0;
  content: "Rotate Left";
}

.viewer-rotate-right:before {
  background-position: -160px 0;
  content: "Rotate Right";
}

.viewer-flip-horizontal:before {
  background-position: -180px 0;
  content: "Flip Horizontal";
}

.viewer-flip-vertical:before {
  background-position: -200px 0;
  content: "Flip Vertical";
}

.viewer-fullscreen:before {
  background-position: -220px 0;
  content: "Enter Full Screen";
}

.viewer-fullscreen-exit:before {
  background-position: -240px 0;
  content: "Exit Full Screen";
}

.viewer-close:before {
  background-position: -260px 0;
  content: "Close";
}
