.rotating {
  display: inline-block;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform: rotateX(0) rotateY(0) rotateZ(0);
  -moz-transform: rotateX(0) rotateY(0) rotateZ(0);
  -ms-transform: rotateX(0) rotateY(0) rotateZ(0);
  -o-transform: rotateX(0) rotateY(0) rotateZ(0);
  transform: rotateX(0) rotateY(0) rotateZ(0);
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  -webkit-transform-origin-x: 50%;
}

.rotating.flip {
  position: relative;
}

.rotating .front, .rotating .back {
  left: 0;
  top: 0;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  -o-backface-visibility: hidden;
  backface-visibility: hidden;
}

.rotating .front {
  position: absolute;
  display: inline-block;
  -webkit-transform: translate3d(0,0,1px);
  -moz-transform: translate3d(0,0,1px);
  -ms-transform: translate3d(0,0,1px);
  -o-transform: translate3d(0,0,1px);
  transform: translate3d(0,0,1px);
}

.rotating.flip .front {
  z-index: 1;
}

.rotating .back {
  display: block;
  opacity: 0;
}

.rotating.spin {
  -webkit-transform: rotate(360deg) scale(0);
  -moz-transform: rotate(360deg) scale(0);
  -ms-transform: rotate(360deg) scale(0);
  -o-transform: rotate(360deg) scale(0);
  transform: rotate(360deg) scale(0);
}



.rotating.flip .back {
  z-index: 2;
  display: block;
  opacity: 1;
  
  -webkit-transform: rotateY(180deg) translate3d(0,0,0);
  -moz-transform: rotateY(180deg) translate3d(0,0,0);
  -ms-transform: rotateY(180deg) translate3d(0,0,0);
  -o-transform: rotateY(180deg) translate3d(0,0,0);
  transform: rotateY(180deg) translate3d(0,0,0);
}

.rotating.flip.up .back {
  -webkit-transform: rotateX(180deg) translate3d(0,0,0);
  -moz-transform: rotateX(180deg) translate3d(0,0,0);
  -ms-transform: rotateX(180deg) translate3d(0,0,0);
  -o-transform: rotateX(180deg) translate3d(0,0,0);
  transform: rotateX(180deg) translate3d(0,0,0);
}

.rotating.flip.cube .front {
  -webkit-transform: translate3d(0,0,100px) scale(0.9,0.9);
  -moz-transform: translate3d(0,0,100px) scale(0.85,0.85);
  -ms-transform: translate3d(0,0,100px) scale(0.85,0.85);
  -o-transform: translate3d(0,0,100px) scale(0.85,0.85);
  transform: translate3d(0,0,100px) scale(0.85,0.85);
}

.rotating.flip.cube .back {
  -webkit-transform: rotateY(180deg) translate3d(0,0,100px) scale(0.9,0.9);
  -moz-transform: rotateY(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  -ms-transform: rotateY(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  -o-transform: rotateY(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  transform: rotateY(180deg) translate3d(0,0,100px) scale(0.85,0.85);
}

.rotating.flip.cube.up .back {
  -webkit-transform: rotateX(180deg) translate3d(0,0,100px) scale(0.9,0.9);
  -moz-transform: rotateX(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  -ms-transform: rotateX(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  -o-transform: rotateX(180deg) translate3d(0,0,100px) scale(0.85,0.85);
  transform: rotateX(180deg) translate3d(0,0,100px) scale(0.85,0.85);
}

.flip-card {
  background-color: transparent;
  width: 300px;
  height: 300px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.flip-card-front {
  background-color: #bbb;
  color: black;
}

.flip-card-back {
  background-color: #2980b9;
  color: white;
  transform: rotateY(180deg);
}