CSS Default Values For HTML Elements - pre Example

<!DOCTYPE html>
<html>
<head>
<style>
/*
==============(pre)==============
*/
pre {
  display: block;
  font-family: monospace;
  white-space: pre;
  margin: 1em 0;
}
/*
==============(pre)==============
*/
</style>
</head>
<body>
<h1>CSS Default Value For <kbd>(pre)</kbd></h1>
<div class="content">
<p>By default, "pre" element is displayed like this:</p>
It preserves line-breaks.
<pre>
Lorem ipsum dolor sit amet, 
consectetur adipiscing elit, 
sed do eiusmod 
tempor incididunt ut labore et dolore magna aliqua. 
Ut enim ad minim veniam, 
quis nostrud exercitation ullamco 
laboris nisi ut aliquip ex ea commodo consequat.
</pre>

<h2>Default CSS Properties</h2>
<pre class="default">
pre {
  display: block;
  font-family: monospace;
  white-space: pre;
  margin: 1em 0;
}
</pre>
</div>

<!--============= End =============-->
<script>
var h=document.querySelector("h1");h.style.padding="30px",h.style.background="#333",h.style.color="#fff",h.style.boxShadow="0 0 3px 0 #aaa",h.style.borderTopLeftRadius="5px",h.style.borderTopRightRadius="5px";var k=document.querySelectorAll("h1 kbd");k.forEach(function(e){e.style.color="#0f0"});var c=document.querySelector(".content");c.style.cssText="background:#f8f9fa;box-shadow:0 0 3px 0 #aaa;border-bottom-left-radius:5px;border-bottom-right-radius:5px;padding:20px 30px;margin-top:-22px";var p=document.querySelector(".default");p.style.cssText="background:#fefefe;box-shadow:inset 0 0 3px 0 #aaa;border-left:5px solid #333;padding:10px";
</script>
</body>
</html>