Fix header theme style

[vase4kin]

No description provided.

[codecov]

Codecov Report

Merging #314 into dev will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                dev     #314      +/-   ##
============================================
+ Coverage     71.34%   71.40%   +0.05%     
  Complexity     1887     1887              
============================================
  Files           317      316       -1     
  Lines          6104     6099       -5     
  Branches        763      763              
============================================
  Hits           4355     4355              
+ Misses          989      984       -5     
  Partials        760      760              

Impacted Files	Coverage Δ	Complexity Δ
.../list/view/SimpleSectionedRecyclerViewAdapter.java	65.82% <100.00%> (ø)	17.00 <0.00> (ø)

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