html css 让一个 div 上下水平垂直居中

 

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <div class="parent"> 
        <div class="child">顶顶顶顶</div> 
        <div class="child">顶顶顶顶</div> 
        <div class="child">顶顶顶顶</div> 
    </div>


</body> 
<style>
    div.parent { display: flex; flex-direction: column; justify-content: center; align-items: center; height: 500px; background-color: aqua; }
    .child{display: block;}
</style>
</html>

 或者

div.parent{ display:flex; }div.child{ margin:auto; }

 

posted @ 2023-01-31 17:03  Shimily  阅读(45)  评论(0)    收藏  举报