Day39bootstrap的栅格系统

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>bootstrap栅格系统</title>
    <link rel="stylesheet" href="./bootstrap.min.css">
</head>
<body>
    <!-- 视口宽度大于等于1200px,一行排4个盒子 -->
    <!-- 视口宽度大于等于768px,一行排2个盒子 -->
    <!-- 视口宽度大于等于576px,一行排1个盒子 -->

    <!-- 嵌套结构:   版心，row，子级 -->
    <div class="container">
        <div class="row">
            <div class="col-xl-3">1</div>
            <div class="col-xl-3">2</div>
            <div class="col-xl-3">3</div>
            <div class="col-xl-3">4</div>
        </div>
    </div>
    <br><br>
    <div class="container">
        <div class="row">
            <div class="col-md-6">1</div>
            <div class="col-md-6">2</div>
            <div class="col-md-6">3</div>
            <div class="col-md-6">4</div>
        </div>
    </div>
    <br><br>
    <div class="container">
        <div class="row">
            <div class="col-sm-12">1</div>
            <div class="col-sm-12">2</div>
            <div class="col-sm-12">3</div>
            <div class="col-sm-12">4</div>
        </div>
    </div>
</body>
</html>

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posted @ 2025-12-24 18:17  冰涿  阅读(3)  评论(0)    收藏  举报