<!DOCTYPE html>
<html>
<head>
<title> Title of the document</title>
<style>
div {
width: 300px;
margin: auto;
border: 3px solid #4287f5;
}
h2,
h3 {
text-align: center;
color: #4287f5;
}
</style>
</head>
<body>
<h2>W3docs</h2>
<h3>Horizontally centered div</h3>
<div>
W3docs is a web developer information website, with tutorials and references relating to web development.
</div>
</body>
</html>