change </hmtl> to

[englishextra]

</html>

in all .html files

Also:

<link rel="stylesheet" href="/maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">

can be fixed

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">

or removed