SemanSemantic-UItic-UI/build/minified/modules/shape.min.css

.ui.shape {
  display: inline-block;
  position: relative;
  -webkit-perspective: 2000px;
  -ms-perspective: 2000px;
  perspective: 2000px;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

.ui.shape .sides {
  -webkit-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.ui.shape .side {
  opacity: 1;
  width: 100%;
  margin: 0!important;
  -webkit-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

.ui.shape .side {
  display: none;
}

.ui.cube.shape .side {
  min-width: 15em;
  height: 15em;
  padding: 2em;
  background-color: #E6E6E6;
  color: rgba(0,0,0,.6);
  box-shadow: 0 0 2px rgba(0,0,0,.3);
}

.ui.cube.shape .side>.content {
  width: 100%;
  height: 100%;
  display: table;
  text-align: center;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.ui.cube.shape .side>.content>div {
  display: table-cell;
  vertical-align: middle;
  font-size: 2em;
}

.ui.text.shape.animating .sides {
  position: static;
}

.ui.text.shape .side {
  white-space: nowrap;
}

.ui.text.shape .side>* {
  white-space: normal;
}

.ui.loading.shape {
  position: absolute;
  top: -9999px;
  left: -9999px;
}

.ui.shape .animating.side {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
}

.ui.shape .hidden.side {
  opacity: .4;
}

.ui.shape.animating {
  -webkit-transition: all .6s ease-in-out;
  transition: all .6s ease-in-out;
}

.ui.shape.animating .sides {
  position: absolute;
}

.ui.shape.animating .sides {
  -webkit-transition: all .6s ease-in-out;
  transition: all .6s ease-in-out;
}

.ui.shape.animating .side {
  -webkit-transition: opacity .6s ease-in-out;
  transition: opacity .6s ease-in-out;
}

.ui.shape .active.side {
  display: block;
}