Login and Signup pages UI update to better support social signin links

[rahulsingh321]

Summary

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.97%. Comparing base (9f6d397) to head (9297b7f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #404      +/-   ##
==========================================
- Coverage   95.98%   95.97%   -0.01%     
==========================================
  Files         207      207              
  Lines        4880     4844      -36     
==========================================
- Hits         4684     4649      -35     
+ Misses        196      195       -1     

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