bootstrap简单的响应式布局

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>bootstrap基础</title>
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.css" rel="stylesheet">  <!-- 3.x.x是目前最稳定的版本 -->
    <style type="text/css">
        .container{
            border: 1px solid #333;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="row">
            <div class="col-lg-3 col-md-4 col-sm-6">
                <div class="thumbnail">
                    <img src="./img/book.jpg">
                    <div class="caption">
                    <h3 class="text-center">青青树</h3>
                    <p class="text-center">魁拔三 魁拔三 魁拔三 魁拔三 魁拔三</p>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-4 col-sm-6">
                <div class="thumbnail">
                    <img src="./img/book.jpg">
                    <div class="caption">
                    <h3 class="text-center">青青树</h3>
                    <p class="text-center">魁拔三 魁拔三 魁拔三 魁拔三 魁拔三</p>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-4 col-sm-6">
                <div class="thumbnail">
                    <img src="./img/book.jpg">
                    <div class="caption">
                    <h3 class="text-center">青青树</h3>
                    <p class="text-center">魁拔三 魁拔三 魁拔三 魁拔三 魁拔三</p>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-md-4 col-sm-6">
                <div class="thumbnail">
                    <img src="./img/book.jpg">
                    <div class="caption">
                    <h3 class="text-center">青青树</h3>
                    <p class="text-center">魁拔三 魁拔三 魁拔三 魁拔三 魁拔三</p>
                    </div>
                </div>
            </div>
        </div>
    </div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script>
</body>
</html>

关键字: container(1170) container-fluid(0) row(margin-left/right: -15px) col-lg-x col-md-x col-sm-x col-xs-x (栅格系统,根据屏幕大小做自适应排版分布) thumbnail text-center caption

不积小流,无以成江河!记住一万个小时定律!

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原文地址：https://www.cnblogs.com/Ed-song/p/7979044.html