[5.2] replace scss variables by css variables

[hans2103]

Pull Request for Issue #41105 .

Summary of Changes

This PR will replace the SCSS variables used to adjust the styling of btn-secondary by css variables.
With this change we are more in line with the rest of the css using css variables

Testing Instructions

Before and after the test the look and feel of an element with className btn-secondary should be the same

• Have a Joomla website up and running
• Apply this PR
• Rebuild the assets using npm run watch (or similar)
• Refresh the page
• Inspect the css inside Dev Toolbar

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[richard67]

@hans2103 When you make a pull request for your own issue then please close the issue.

[hans2103]

quest for your own issue then please close th

my bad... thank you

[fgsw]

The Download is not available (Expected — Waiting for status to be reported).

[brianteeman]

Not expected - it should not take 2 days ;)

[alikon]

Prebuilt Download Packages are available here https://artifacts.joomla.org/drone/joomla/joomla-cms/5.1-dev/42509/downloads/72262

[Quy]

I have tested this item ✅ successfully on 9d24a00

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42509.}

[viocassel]

I have tested this item ✅ successfully on 9d24a00

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42509.}

[richard67]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42509.}

[HLeithner]

This pull request has been automatically rebased to 5.2-dev.

[pe7er]

Thanks @hans2103 !