<!DOCTYPE html>
<html>
<head>
<style>
p.test2
{
width:11em;
word-break:break-all;
}
</style>
</head>
<body>
<p class="test2"> This paragraph contains some text: The lines will break at any character5555555555555555555555555555555555555555555555555.</p>
</body>
</html>