<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.unselectable {
-webkit-user-select: none;
-webkit-touch-callout: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
color: #cc0000;
}
</style>
</head>
<body>
<p>I am a selectable text. You can select me.</p>
<div class="unselectable">I am an unselectable text. My text selection is disabled.</div>
</body>
</html>