fix: numerous issues such as colors, spacing and zIndex

[QingqiShi]

No description provided.

[codecov]

Codecov Report

Merging #848 (62044ca) into master (0cc439d) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #848      +/-   ##
==========================================
+ Coverage   65.62%   65.64%   +0.01%     
==========================================
  Files          98       98              
  Lines        3183     3184       +1     
  Branches      904      904              
==========================================
+ Hits         2089     2090       +1     
  Misses       1092     1092              
  Partials        2        2              

Impacted Files	Coverage Δ
packages/app/src/views/App/Overview/Portfolio.tsx	0.00% <ø> (ø)
...ponents/src/components/controls/ButtonTertiary.tsx	100.00% <ø> (ø)
packages/components/src/globalStyle.ts	100.00% <ø> (ø)
packages/components/src/theme.ts	77.77% <ø> (ø)
...ackages/components/src/components/controls/Fab.tsx	100.00% <100.00%> (ø)
...kages/components/src/components/feedback/Modal.tsx	100.00% <100.00%> (ø)
...s/components/src/components/layout/EdgePadding.tsx	100.00% <100.00%> (ø)

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