上传图片插件鼠标手cursor:pointer;不生效

问题:

　　只在谷歌里失效;

解决:

font-size:0;

参考:

http://jingyan.baidu.com/article/48b558e32fabb67f38c09a81.html

http://www.jianshu.com/p/59a2192796b1