Simple CSS for widgets
This plugin lets you specify CSS class(s) for widgets to apply your own CSS definitions…
Plugin-Schlagwort: css class
Custom Menu Class
Set predefined CSS classes to menu items
Easy Elements Hider
Easy Elements Hider allows you to hide elements on your website easily without editing style.css…
HTML Tag and Class Replace
Allows you to Replace any HTML Tag and Class of your WordPress WebSite.