User blog comment:DaNASCAT/Technical Update: September 25, 2017/@comment-25156300-20170929120802

Is this tabber issue the reason my tabs show as doubled (an extra set stacked above them)? Not just in the editor or preview, but even when visiting the page.

I can't seem to link the page on here, but it's basically any page with an infobox on the Naruto OC Wiki.