vertical-align 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        .div1{
            width:300px;
            height: 300px;
            background-color: red;
            text-align: center;
        }
        .con {
            height: 300px;
            display: inline-block;
            vertical-align: middle;
        }
        span{
            vertical-align: middle;
            height: 300px;
        }
        .div2{
            width:30px;
            height: 30px;
            display: inline-block;
            vertical-align: middle;
            background-color: green;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="div1">
        <div class="con"></div>
        <span></span>
        <div class="div2"></div>
    </div>
</body>
</html>

 

posted @ 2020-05-07 07:09  tendo  阅读(92)  评论(0)    收藏  举报