<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style>
.file {
position: relative;
display: inline-block;
background: #D0EEFF;
border: 1px solid #99D3F5;
border-radius: 4px;
overflow: hidden;
color: #1E88C7;
text-decoration: none;
text-indent: 0;
line-height:40px;
font-size:40px;
height:50px;
width:50px;
text-align:center;
}
.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>
<form id="form1" name="form1" enctype="multipart/form-data" method="post" action="">
<a href="javascript:;" class="file">+
<input type="file" name="" id="">
</a>
</form>
</body>
</html>
