220230823-flex实现水平垂直居中 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>flex</title>
    <style>
        .father{
            width: 300px;
            height: 300px;
            background-color: aqua;
            display: flex;
            justify-content: center;
            align-items: center;

        }
        .son{
            width: 200px;
            height: 200px;
            background-color: red;
        }
    </style>
</head>
<body>
    <div class="father">
        <div class="son">

        </div>
    </div>
</body>
</html>

运行结果

在这里插入图片描述

posted @ 2023-08-30 09:58  前端导师歌谣  阅读(12)  评论(0)    收藏  举报  来源