How to remove default paragrah style in rich text editor?

Dear umbraco support,

Good day! Does anybody know how can I remove the default style in the rich text editor. I need the background to be black but the paragraph styles are showing a white background.
Thank you. Attached screenshots.





regards
Jamie

Its ok its gone now, thanks.

@webdesigner4theworld , what did you do to get rid of the default p?

I think it disappeared after I made the other documents become a child of homepage.