<!DOCTYPE html>
<html>
<head>
<style>
blockquote {
display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 40px;
margin-right: 40px;
}
</style>
</head>
<body>
<p>A blockquote element is displayed like this:</p>
<blockquote cite="http://www.worldwildlife.org/who/index.html">
For 50 years, WWF has been protecting the future of nature. The world's leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally.
</blockquote>
<p>A customized blockquote element (changed margin):</p>
<blockquote cite="http://www.worldwildlife.org/who/index.html" style="margin:100px;">
For 50 years, WWF has been protecting the future of nature. The world's leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally.
</blockquote>
</body>
</html>