I agree with @electricfeet. This is a bug in need of a fix. Dealt with the same issue back in June while integrating Customizr with phpBB forums. The Customizr CSS plastered these link-extensions all over the place, rendering the phpBB install almost useless. The folks at phpBB community board quickly pointed to the theme CSS.
I ended up helping myself out, marking my own support request as resolved ..
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The “bug” was found in the style sheet for the Customizr theme. It appears CSS offers an attr(href) which is useful for displaying urls after a link, without having to write it. I’d never heard of that thing before. The workings of this attribute is explained at ..
paulund.co.uk : Learn How To Display URL After Link With CSS
Except, that’s exactly what I don’t want! Searched the css and found this little freak ..
/** a[href]:after {
content: ” (” attr(href) “)”;
} **/
.. thus marked out. Bingo. Problem gone. And I do not see how it’s of any loss to the rest of the theme. Begs the question why it was stuffed in there in the first place. End of story is seamless integration WP + phpBB.
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Wonder if this is the end of it, or whether the attr(href) wreaks hovoc elsewhere.