(fix) Firefox weird rtf behavior

[Maronato]

Description

Disables the margin inversion in Firefox

Related Issue

closes #179

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #286 (28b1d1e) into main (51f06fc) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #286   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          436       436           
  Branches        89        89           
=========================================
  Hits           436       436           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 51f06fc...28b1d1e. Read the comment docs.