JSFiddle - React, Tailwind, and code Playground

HTML

<div class="flip-container">
		<div class="flipper">
			<div class="front">
				front
			</div>
			<div class="back">
				back
			</div>
		</div>
	</div>

CSS

.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);
}
		


.flip-container, .front, .back {
	width: 320px;
	height: 427px;
}

.flipper {
	-webkit-transition: 0.6s;
	-webkit-transform-style: preserve-3d;
	-ms-transition: 0.6s;
	-moz-transition: 0.6s;
	-moz-transform: perspective(1000px);
	-moz-transform-style: preserve-3d;
	-ms-transform-style: preserve-3d;
	transition: 0.6s;
	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: 0.6s;
	-webkit-transform-style: preserve-3d;
	-moz-transition: 0.6s;
	-moz-transform-style: preserve-3d;
	-o-transition: 0.6s;
	-o-transform-style: preserve-3d;
	-ms-transition: 0.6s;
	-ms-transform-style: preserve-3d;
	transition: 0.6s;
	transform-style: preserve-3d;
	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);
}