Removes everything except articles.
Compacts the Table of Contents to top-right corner until mouse-hovered.

wikipedia.org
wikimedia.org
wiktionary.org
wikiquote.org
wikibooks.org
wikisource.org
wikinews.org
wikiversity.org
wikimediafoundation.org
mediawiki.org
wikivoyage.org
wiki.openstreetmap.org
wikidata.org
translatewiki.net