<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.text {
list-style-type: decimal;
}
</style>
</head>
<body>
<h1>
Example of the list-style-type property
</h1>
<ul class="text">
<li>Barcelona</li>
<li>Madrid</li>
<li>London</li>
</ul>
</body>
</html>