Sponsorship Page theme update for mobile devices

[Shane-Donlon]

Current Behavior

Inconsistent design on the Sponsorship page between desktop and mobile

Link to page Codu Sponsorship Page

Screenshots

Alt text: Desktop dark mode screenshot below:

Alt text: Mobile dark mode screenshot below:
Also note the font colour on some of the text is white text on white background (invisible text for "Sponsor Codú" and "For more info contact us:" on mobile)