body {
 background: #ccc;   
}
.flip {
  -webkit-perspective: 800;
  width: 200px;
  height: 200px;
	position: relative;
	margin: 20px auto;
}
.flip .card.flipped {
  -webkit-transform: rotatex(-180deg);
}
.flip .card {
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
  -webkit-transition: 0.5s;
}
.flip .card .face {
  width: 100%;
  height: 100%;
  position: absolute;
  -webkit-backface-visibility: hidden;
  z-index: 2;
    font-family: Georgia;
    font-size: 3em;
    text-align: center;
    line-height: 200px;
}
.flip .card .front {
  position: absolute;
  z-index: 1;
    background: black;
    color: white;
    cursor: pointer;
}
.flip .card .back {
  -webkit-transform: rotatex(-180deg);
    background: blue;
    background: white;
    color: black;
    cursor: pointer;
}