<div class="flip">text</div>

<!-- U NO SEE! -->
<div class="flip hide-back">text</div>

body {
  padding: 50px;
  font-size: 50px;  
}

.flip {
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -ms-transform: rotateY(180deg);
    
  -webkit-backface-visibility: visible;
  -moz-backface-visibility:    visible;
  -ms-backface-visibility:     visible;
}

.flip.hide-back {
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility:    hidden;
  -ms-backface-visibility:     hidden;
}