Bootstrap向右拉类
在任何HTML文本周围使用默认的<blockquote>。您还可以添加一个<small>标记，用于标识报价的来源，并使用.pull-right类将blockquote右对齐：
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap pull-right class</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</head>
<body>
<blockquote>
<p>This is a default blockquote example. This is a default
blockquote example. This is a default blockquote
example.This is a default blockquote example. This is a
default blockquote example.</p>
</blockquote>
<blockquote>
This is a blockquote with a source title.
<small>Someone famous in <cite title = "Source Title">Source Title</cite></small>
</blockquote>
<blockquote class = "pull-right">This is a blockquote aligned to the right.
<small>Someone famous in <cite title = "Source Title">Source Title</cite></small>
</blockquote>
</body>
</html>