<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div style="height: 35px;width: 400px;position: relative;">
<!--<div的width为400px..输入抠的width为370有效输入范围+30的边界>-->
<input type="text" style="height: 35px;width: 370px;padding-right: 30px" />
<span style="position:absolute;right:0;top:10px;background-image: url(http://img2.imgtn.bdimg.com/it/u=3225374393,3481129027&fm=27&gp=0.jpg);height: 16px;width: 16px;display: inline-block;"></span>
</div>
</body>
</html>
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