feat: scalex ramp theme update

[justinenerio]

Changes

• adds custom css style for scalex ramps

Related issues

Fixes #1314

Checklist

• PR is ready for review (if not, it should be a draft).
• PR title follows Conventional Commits guidelines.
• Screenshots/video added.
• Tests added.
• Self-review done.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.21%. Comparing base (26c9fd0) to head (25a9b2d).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1321   +/-   ##
=======================================
  Coverage   79.21%   79.21%           
=======================================
  Files         185      185           
  Lines        4075     4075           
=======================================
  Hits         3228     3228           
  Misses        847      847           

Flag	Coverage Δ
solana-beta	79.21% <ø> (?)
solana-stable	79.21% <ø> (ø)

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