fixes for darkmode

[octavioamu]

Description

• Fix styles to fit the design.
• move button under dropdown
• style all missing elements
• fix colors for readability
  https://share.vidyard.com/watch/mBRd33knCWnFNqiqZpdjiR?

Refers/Fixes

Testing

[codecov]

Codecov Report

Merging #6531 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #6531   +/-   ##
=======================================
  Coverage   27.26%   27.26%           
=======================================
  Files         287      287           
  Lines       26712    26712           
  Branches     3945     3945           
=======================================
  Hits         7284     7284           
+ Misses      19161    19157    -4     
- Partials      267      271    +4     

Impacted Files	Coverage Δ
app/dashboard/views.py	11.12% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	40.48% <0.00%> (ø)

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[thelostone-mc]

❤️

[kelonye]

I see its live .. It's looking great!