Please modify toolbar configuration file. All the configuration files can be found in the /CuteEditor/Configuration/AutoConfigure folder.
<item type="dropdown" name="CssClass" width="70" RenderItemBorder="true" text="[[CssClass]]"
command="CssClass" />
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx