/* html처리
<!-- cardflip 처리 시작 -->
	<div class="flip-container" id="flip-toggle">
	<div class="flipper">
		<div class="front">
			앉다
		</div>
		<div class="back">
			앉아요
		</div>
	</div>
</div>
<!-- cardflip 처리 끝 -->
*/

/* simple */
.flip-container {
	-webkit-perspective: 1000;
	-moz-perspective: 1000;
	-ms-perspective: 1000;
	perspective: 1000;

	-ms-transform: perspective(1000px);
	-moz-transform: perspective(1000px);
	-moz-transform-style: preserve-3d; 
	-ms-transform-style: preserve-3d; 

/* 			border: 1px solid #ccc; */
}


/* START: Accommodating for IE */
.flip-container:hover .back, .flip-container.hover .back {
    -webkit-transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -o-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    transform: rotateY(0deg);
}

.flip-container:hover .front, .flip-container.hover .front {
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
    transform: rotateY(180deg);
}

/* END: Accommodating for IE */

.flip-container, .front, .back {
	width: 100%;
	height: 100%;
}

.flipper {
	-webkit-transition: 1.5s;
	-webkit-transform-style: preserve-3d;
	-ms-transition: 1.5s;

	-moz-transition: 1.5s;
	-moz-transform: perspective(1000px);
	-moz-transform-style: preserve-3d;
	-ms-transform-style: preserve-3d;

	transition: 1.5s;
	transform-style: preserve-3d;

	position: relative;
}

.front, .back {
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	-ms-backface-visibility: hidden;
	backface-visibility: hidden;

    -webkit-transition: 1.5s;
    -webkit-transform-style: preserve-3d;
    -webkit-transform: rotateY(0deg);

    -moz-transition: 1.5s;
    -moz-transform-style: preserve-3d;
    -moz-transform: rotateY(0deg);

    -o-transition: 1.5s;
    -o-transform-style: preserve-3d;
    -o-transform: rotateY(0deg);

    -ms-transition: 1.5s;
    -ms-transform-style: preserve-3d;
    -ms-transform: rotateY(0deg);

    transition: 1.5s;
    transform-style: preserve-3d;
    transform: rotateY(0deg);

	position: absolute;
	top: 0;
	left: 0;
}

.front {
	-webkit-transform: rotateY(0deg);
	-ms-transform: rotateY(0deg);
/* 	background: lightgreen; */
	z-index: 2;
}

.back {
/* 	background: lightblue; */
	-webkit-transform: rotateY(-180deg);
    -moz-transform: rotateY(-180deg);
    -o-transform: rotateY(-180deg);
    -ms-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
}


/* OX border처리 */
.answerO_click {
	border:5px solid #3399FF;
	box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
/*     margin: 16px; */
}
/*
.answerO_click:after {
	background:url(../imgs/ox_o.png) no-repeat;
}
*/

.answerX_click {
	border:5px solid #FF3366;
	box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
/*     margin: 16px; */
}

/*
.answerX_click:after {
	background:url(../imgs/ox_x.png) no-repeat;
}
*/