<body>
<div
class="pic"><img
src="https://ss1.baidu.com/6ONXsjip0QIZ8tyhnq/it/u=1438475101,354016904&fm=58"
alt="">div>
<div
class="pic"><img
src="https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2201558756,12364836&fm=111&gp=0.jpg"
alt="">div>body>html><style>.pic
{ width:
120px;height:
120px;margin:
40px auto;border:
1px solid
#ccc;text-align: center;padding:
5px;}.pic:before
{ content:
"";display: inline-block;height:
100%;vertical-align: middle;width:
0;}.pic
img
{ max-width:
120px;
max-height:
120px;vertical-align: middle;}style>
源自：http://blog.csdn.net/fungleo/article/details/71521964
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