It involves an order of magnitude more mouse clicks and visually searching text to set some option in the Option Inspector (which is a UX nightmare) than doing that in a notebook by running some command, or doing it in some menu or palette. In general, how to do that by running commands? Is there some palette for choosing and discovering configurable options?
All options of an any element XXX are available from your program by
To change any options you can use
Unfortunately not all options has clear explanation in Mathematica help system..