<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 示例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.cn/lib/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.5.1.min.js"></script>
<script src="https://www.w3schools.cn/lib/bootstrap/3.4.1/js/bootstrap.min.js"></script>
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<body>
<div class="container-fluid">
<h1>小型网格</h1>
<p>以下示例将导致在小型、中型和大型设备上进行 25%/75% 的拆分。 在超小型设备上，它将堆叠（100% 宽度）。</p>
<p>调整浏览器窗口大小以查看效果。</p>
<div class="row">
<div class="col-sm-3" style="background-color:yellow;">
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<div class="col-sm-9" style="background-color:pink;">
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</body>
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