<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .file { position: relative; display: inline-block; background: #D0EEFF; border: 1px solid #99D3F5; border-radius: 4px; padding: 4px 12px; overflow: hidden; color: #1E88C7; text-decoration: none; text-indent: 0; line-height: 20px; } .file input { position: absolute; font-size: 100px; right: 0; top: 0; opacity: 0; } .file:hover { background: #AADFFD; border-color: #78C3F3; color: #004974; text-decoration: none; } </style> </head> <body> <div class="file">选择文件 <input type="file" name="" id=""> </div> </body> </html>