Due to background-size: 40px 40px; being set in RelatedArticles styles, thumbnails get displayed at a significantly smaller size than they should be. background-size: 40px 40px; was set so that an icon when a thumbnail doesn’t get loaded was displayed at 2× size, but it unintentionally affected the thumbnails.
Demo / steps to reproduce:
- Go to https://ru.wikipedia.org/wiki/Варга-Катарылькы#footer
- Wait for RelatedArticles to load
- See this: