fix: set background color for resize button

[arjunlalb]

Description

Setting background color for the resize button on nav.

Testing

N/A

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #1034 (d14abfc) into main (1a5f070) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1034   +/-   ##
=======================================
  Coverage   85.06%   85.06%           
=======================================
  Files         820      820           
  Lines       16865    16865           
  Branches     2190     2190           
=======================================
  Hits        14346    14346           
  Misses       2488     2488           
  Partials       31       31           

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[github-actions]

Unit Test Results

    4 files  ±0  262 suites  ±0   15m 57s ⏱️ - 2m 54s
945 tests ±0  945 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
952 runs  ±0  952 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit c4f70a4. ± Comparison against base commit 1a5f070.