Hello,
1) The frame image you can change the editing slider Settings > Layout > Module Background https://gyazo.com/5527f061d148410f511f6dfad308b1d1
2) Size of the product image you can adjust editing slider Images > Background > Image settings https://gyazo.com/8daa6287f3bd1d79a18c81d86f2cc57d
3) Title styles you can edit from layer Style editing https://gyazo.com/d2f2dece8659abdef325883a18c29093
Check the Revolution documentation to get more information about slider settings and options https://www.sliderrevolution.com/manual/how-to-use-this-manual/
https://www.sliderrevolution.com/faq/
Regards
Regards