<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.code-style {
font-size: 20px;
line-height: 28px;
background-color: lightblue;
color: #ffffff;
}
</style>
</head>
<body>
<p>Ordinary text.</p>
<code class="code-style">Line of program code.</code>
<p>Continuation of the ordinary text.</p>
</body>
</html>