鼠标经过图片放大归纳

示例效果

<div class="gallery cf">
  <div>
    <img src="landscape-test-1_1x.jpg" />
  </div>
  <div>
    <img src="iceberg_1x.jpg" />
  </div>
  <div>
    <img src="igloo-800_1x.jpg" />
  </div>
  <div>
    <img src="trees_1x.jpg" />
  </div>
  <div>
    <img src="space_1x.jpg" />
  </div>
  <div>
    <img src="render1_1x.jpg" />
  </div>
</div>

* {
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.gallery {
    width: 790px;
    padding: 5px;
    background: #333333;
    margin: 30px auto;
}

.gallery > div {
    position: relative;
    float: left;
    padding: 5px;
}

.gallery > div > img {
    width: 250px;
    -webkit-transition: all .1s linear;
    -moz-transition: all .1s linear;
    -ms-transition: all .1s linear;
    -o-transition: all .1s linear;
    transition: all .1s linear;
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
}

.gallery > div:hover {
    z-index: 1;
}

.gallery > div:hover > img {
    -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    -ms-transform: scale(1.5);
    -o-transform: scale(1.5);
    transform: scale(1.5);
}

/*清除浮动代码*/
.cf:before,.cf:after {
    display: table;
    content: '';
    line-height: 0;
}

.cf:after {
    clear: both;
}