.flip-container 
	{    
   transform-style: preserve-3d;
    }
      
.front, .back 
	{
	transform-style: preserve-3d;
	position: absolute;
	 -webkit-transition: all 0.8s linear;        
    -ms-transition: all 0.8s linear;
    -moz-transition: all 0.8s linear;
    transition: all 0.8s linear;
    -webkit-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    }
	
#em_bb
	{
	visibility:hidden;
	}