Address footer styling after adding 'Cookie preferences'

In docs page:
footer_bottom_left_section and footer_bottom_right_section 's bottom margin not reflected.

<img width="1063" alt="Image" src="https://github.com/user-attachments/assets/4411dff2-6560-4ab4-8458-3a32a64ce393" />

Common:
Responsive sizing to be updated.

![Image](https://github.com/user-attachments/assets/93863180-97cb-4c79-81ae-1153524934fe)