Design modular EBI footer variants

[bhushan-ebi]

As discussed in the meeting on 23rd Jan:

• Create design solution(s) for modular variant(s) for EBI footer

• Design mockups

• Explore light background for an accessible way of showing partnership logos

• Document guidance on the solution

[Adedoyinebi]

Ensure that clickable links such as phone number, address are in the right link colour