<!DOCTYPE HTML>
<html lang='en' xmlns='http://www.w3.org/1999/xhtml'>
<head>
    <title>{{concat('Hello ', model.user.FirstName)}}</title>
</head>
<body>
    <div style='color: calc(theme.color); padding: calc(theme.space); text-align: calc(theme.align)'>
        Hello {{model.user.FirstName}}.
    </div>
</body>
</html>
