Glitch in "Fork Me on GitHub" ribbon (only on Guidelines page)

[sprunka]

Tested in Linux Mint on Google Chrome and Firefox only at this point. Screenshot below (Chrome, but Firefox looks the same.)

[MrChozo]

I'm also seeing this on the Guidelines page. It's strange, because the default layout shows the ribbon code as this:

But the actual code is akin to this, as if that anchor is being appended a number of times.

</div> <!-- {% endblock %} -->
<a href="https://github.com/phpmentoring/phpmentoring.github.com/wiki/HOWTO"></a>
<div class="github-fork-ribbon-wrapper right-bottom">
    <a href="https://github.com/phpmentoring/phpmentoring.github.com/wiki/HOWTO"></a>
    <div class="github-fork-ribbon">
        <a href="https://github.com/phpmentoring/phpmentoring.github.com/wiki/HOWTO"></a>
        <a href="https://github.com/phpmentoring/webapp" title="Fork phpmentoring/webapp on GitHub">Fork me on GitHub</a>
    </div>
</div>