flex圣杯布局 

<!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>
<style>
    * {
        margin: 0;
        padding: 0;
    }
    
    .demo {
        display: flex;
        flex-direction: column;
    }
    
    .divv {
        background-color: red;
        height: 50px;
        text-align: center;
    }
    
    .hetng {
        display: flex;
        height: 400px;
        border: 1px solid red;
        width: 100%;
    }
    
    .left,
    .center,
    .right {
        flex: 1;
        height: 400px;
        text-align: center;
    }
    
    .left {
        background-color: aqua;
    }
    
    .center {
        flex: 60%;
        background-color: blue;
    }
    
    .right {
        background-color: aqua;
    }
</style>

<body>
    <div class="demo">
        <div class="divv tou">头部</div>
        <div class="hetng">
            <div class="left">left</div>
            <div class="center">center</div>
            <div class="right">right</div>
        </div>
        <div class="divv di">底部</div>
    </div>
</body>

</html>

　　

Document

头部
left
center
right
底部
posted @ 2022-03-14 08:32  33的男孩  阅读(50)  评论(0)    收藏  举报