Could any admins available add a show/hide and purge script in MediaWiki:Common.js
importArticles({ type: "script", articles: [ "w:dev:ShowHide/code.js", /* Collapsible elements and tables */ "w:dev:PurgeButton/code.js", /* Add "purge" option to page controls */ ] });
And roundy page element in MediaWiki:Wikia.css
.roundy {border-radius:10px; -moz-border-radius:10px; -webkit-border-radius:10px; -khtml-border-radius:10px; -icab-border-radius:10px; -o-border-radius:10px}