Change text color on the banner and gray shadow on and off

Hi, everyone
Now I work on identical banners for all our community: main page and chapters.
And in the process of adding new bannerr, I ran into several problems.

1. In the chapter I can not gray shadow off.
   

Gray shadow on/off

2.In the main page I can not change text color.

Change text color on the banner

Can you consider these suggestions?