Standardize colors and shades used across the site

[builderpepc]

See:

• #70 Implement FOI Guide Page #80 (comment)

• nefac/nefac-website/src/components/subscribe-page/NewsLetter.tsx

  Lines 11 to 28 in 267e3ed

  	const styles = {
  	// Container Borders
  	containerBorderless: `border-0 md:border-[4px] shadow-none md:shadow-md`,
  	containerBorder: `border-[4px] shadow-md`,
  	// General Newletter
  	generalTitle: `inline-block min-h-[39px] font-bold text-[20px] leading-[100%] tracking-[0%] font-[Poppins]`,
  	generalContainer: `bg-white border-nefacblue rounded-[10px] p-4 pt-6 flex justify-between`,
  	generalButton: `w-fit bg-nefacblue text-white px-5 py-2 mx-4 my-4 rounded-[10px] hover:bg-[rgba(37,73,127,1)] transition-colors text-center text-m font-semibold text-[14px] no-underline font-inter`,
  	// State Newsletter
  	statesTitle: `font-bold text-[#2F5C9F] text-[36px] leading-[100%] tracking-[0%] font-[Roboto] md:whitespace-pre-line`,
  	statesButton: `bg-nefacblue text-[16px] text-white px-5 py-2 rounded-[10px] hover:bg-[rgba(37,73,127,1)] transition-colors text-center md:text-[24px] font-semibold no-underline self-center w-[220px]] text-nowrap`,
  	// Generic Description
  	descriptionContainer:
  	"font-thin text-[14px] leading-[150%] tracking-[0%] font-[Poppins] mt-2 whitespace-pre-line block",
  	};

• nefac/nefac-website/src/components/home-page/LandingSection.tsx

  Lines 22 to 35 in 6a775d8

  	<div className="flex gap-3 mb-6">
  	<a
  	href="/about"
  	className="inline-block px-6 py-3 border-4 border-[#2F5C9F] text-[#2F5C9F] rounded-xl font-roboto font-medium hover:bg-gray-50 transition-colors"
  	>
  	Learn More
  	</a>
  	<a
  	href="/sustaining-memberships"
  	className="inline-block px-6 py-4 bg-[#2F5C9F] text-white rounded-xl font-roboto font-medium hover:bg-[#254a80] transition-colors"
  	>
  	Donate
  	</a>
  	</div>