css-input[type='file']光标效果
"en"> "utf-8">自定义input[type=<span style="color: rgba(128, 0, 0, 1)">‘</span><span style="color: rgba(128, 0, 0, 1)">file</span><span style="color: rgba(128, 0, 0, 1)">‘</span>]样式 "file"/>
原文：https://www.cnblogs.com/linding/p/14808262.html