User talk:בקש

Help me!
Please help me with... Im trying to understand how to create the "infobox" class in my own wikiproject. Is it A mediawiki extension? A js/css code? Or lua code? Realy appreciate your help. Thanks. בקש (talk) 10:51, 4 May 2021 (UTC)
 * See line 309 of MediaWiki:Common.css pandakekok9 (talk) 11:25, 4 May 2021 (UTC)