图片反转效果

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        /* entire container, keeps perspective */
.flip-container {
    perspective: 1000;
}
    /* 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;
}
/* back, initially hidden pane */
.back {
    transform: rotateY(180deg);
}
    </style>
</head>
<body>
    <div class="flip-container" ontouchstart="this.classList.toggle('hover');">
    <div class="flipper">
        <div class="front">
            <!-- 前面内容 -->
            <img src="http://pic0.xihuan.me/edr/680__/t021499be002a3f0cf1.jpg" height="700"  alt="">
        </div>
        <div class="back">
        <img src="http://pic2.xihuan.me/edr/680__/t029373f8f522a8bc97.jpg" height="700"  alt="">
            <!-- 背面内容 -->
        </div>
    </div>
</div>
</body>
</html>
Document