<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div{
width: 200px;
height:100px;
border:2px solid gray;
text-align: center;
line-height: 100px;
}
span{
display: inline-block;
width: 0px;
height:0px;
border:5px solid transparent;
border-top-color:red
}
</style>
</head>
<body>
<div class="box">
信息完善
<span></span>
</div>
</body>
</html>
扫一扫
评论 1
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
查看更多评论
添加红包
