Removing options from 'Sort By' from my Shopify pages

[NSKicks]

Hi,

I have a 'Sort By' filter on my page. I want to:
1) change some options / remove some options
2) Change the background colour of the dropdown

I have read numerous responses on similar forums but none have worked for me. I am using the spotlight theme.

Secondly, again, I have read on these forums but came across nothing that worked.

I have a main menu drawer and I want to change the colour of the 'sale' collection in the main menu to red, I can onyl seem to change it for all and not this individual collection title.

Any help appreciated.

[NSKicks]

I've managed to remove options and rename them, but I'd like to change the colour of the Sort By box.