Steps to reproduce:

1. Login to mobile and search for any non-media files in File namespaces, e.g. File:pdf or File:the poetry review
2. For File:the poetry review search

• the thumbnail for https://en.m.wikipedia.org/wiki/File:The_Poetry_Review,_volume_5.pdf displayed at the reduced width

• the thumbnail for https://en.m.wikipedia.org/wiki/File:The_Modern_Review_Vol_7_(January_to_June_1910).pdf (scroll down on the list of search results) is displayed with the reduced width and with horizontal scrolling.

Note:

• the issue is a regression

wmf.3	wmf.6