css flip animation

/* entire container, keeps perspective */
.flip-container {
	perspective: 1000px;
}
	/* flip the pane when hovered */
	.flip-container:hover .flipper, .flip-container.hover .flipper {
		transform: rotateY(180deg);
	}

.flip-container, .front, .back {
	width: 320px;
	height: 480px;
}

/* flip speed goes here */
.flipper {
	transition: 0.6s;
	transform-style: preserve-3d;

	position: relative;
}

/* hide back of pane during swap */
.front, .back {
	backface-visibility: hidden;

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

/* front pane, placed above back */
.front {
	z-index: 2;
	/* for firefox 31 */
	transform: rotateY(0deg);
}

/* back, initially hidden pane */
.back {
	transform: rotateY(180deg);
}

<div class="flip">
  <div class="flip-content">
    <div class="flip-front">
      <img src="https://www.fillmurray.com/150/150" />
    </div>
    <div class="flip-back">
      <strong>BILL MURRAY</strong>
    </div>
  </div>
</div>

.flip {
    width: 100%;
    }
    .flip-content {
    transition: transform 0.4s;
    transform-style: preserve-3d;
    }
    .flip:hover .flip-content {
    transform: rotateY(180deg);
    transition: transform 0.3s;
    }
    .flip-front, .flip-back {
    backface-visibility: hidden;  
    }
    .flip-back {
    transform: rotateY(180deg);
    }