Add custom style to CEWP

30/01/2013 13:08

Add custom style to Ribbon in Content Editor Web Part edit mode.

It's about styles, not markup styles

Link: https://sharepointroot.com/2010/05/28/adding-styles-to-ribbon-in-sharepoint-2010/

some more information:

https://mosshowto.blogspot.sk/2009/12/sharepoint-2010-wiki-styles.html