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.box
{
/*·ÇIEµÄÖ÷Á÷ä¯ÀÀÆ÷ʶ±ðµÄ´¹Ö±¾ÓÖеķ½·¨*/
display: table-cell;
vertical-align: middle; /*ÉèÖÃˮƽ¾ÓÖÐ*/
text-align: center;
/* Õë¶ÔIEµÄHack */
*display:block;
*font-size:175px;/*ԼΪ¸ß¶ÈµÄ0.873£¬200*0.873 ԼΪ175*/
*font-family:Arial;/*·ÀÖ¹·Çutf-8ÒýÆðµÄhackʧЧÎÊÌ⣬Èçgbk±àÂë*/
width:200px;
height:200px;
border:1px solid #eee;
}
.box img
{
/*ÉèÖÃͼƬ´¹Ö±¾ÓÖÐ*/
vertical-align: middle;
}
<div class="box">
<img src="http://pics.taobao.com/bao/album/promotion/taoscars_180x95_071112_sr.jpg" mce_src="http://pics.taobao.com/bao/album/promotion/taoscars_180x95_071112_sr.jpg" />
</div>
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http://www.planabc.net/2008/05/26/img_vertical_center_solution/
http://www.student.oulu.fi/~laurirai/www/css/middle/
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