一直以来icon和文本需要对齐都使用vertical-align: middle;的方法，但兼容性不理想。参考了鑫旭大大的博客，终于收获不用vertical-align可以对齐的神技，原博点这里。
代码如下：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>icon对齐神技</title> <style type="text/css"> a { text-decoration: none; color: #333; } /*全局统一lineheight,与icon高度一致*/ body { font-size: 14px; line-height: 20px; } .icon { display: inline-block; background: url('toplist.png') no-repeat 2px -139px; width: 20px; height: 20px; white-space:nowrap; /*设置文本不换行，防止溢出的文字破环格局*/ letter-spacing: -1em; text-indent: -99em; /*首行缩进设置负值，使得标签内的文字不显示*/ color: transparent; /* IE7 */ *text-indent: 0; *zoom: expression( this.runtimeStyle['zoom'] = '1', this.innerHTML = '\3000'); } .icon:before { content: '\3000'; } </style></head><body> <p style="color:blue;">使用空标签i</p> <a href="#"><i class="icon"></i>某些东西</a> <p style="color:blue;">使用a标签，标签内有文字</p> <p ><a href="#" class="icon">某些东西</a>某些东西</p></body></html>
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