栅格系统

Document

<!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>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        [class^=col] {
            float: left;
        }
        
        .col25 {
            width: 25%;
            background-color: aqua;
        }
        
        .col50 {
            width: 50%;
            background-color: blue;
        }
        
        .col75 {
            width: 75%;
            background-color: red;
        }
    </style>
</head>


<body>
<div>
    <h2>1</h2>
    <div class="col25">A</div>
    <div class="col25">A</div>
    <div class="col25">A</div>
    <div class="col25">A</div>
    <h2>2</h2>
    <div class="col25">A</div>
    <div class="col25">A</div>
    <div class="col50">B</div>
    <h2>3</h2>
    <div class="col25">A</div>
    <div class="col50">B</div>
    <div class="col25">A</div>
    <h2>4</h2>
    <div class="col50">B</div>
    <div class="col25">A</div>
    <div class="col25">A</div>
    <h2>5</h2>
    <div class="col75">C</div>
    <div class="col25">A</div>
    <h2>6</h2>
    <div class="col25">A</div>
    <div class="col75">C</div>
</div>
</body> </html>

　　

1

A
A
A
A

2

A
A
B

3

A
B
A

4

B
A
A

5

C
A

6

A
C
posted @ 2022-03-14 08:59  33的男孩  阅读(14)  评论(0)  编辑  收藏  举报