Fix selectors with hyphens instead of underscores
requested to merge 27781-fix-the-following-style-lint-errors-and-warnings-for-app-assets-stylesheets-pages-events-scss into master
What does this MR do?
Fixes CSS selectors with hyphens instead of underscores and removes ones unused for years.
Screenshots (strongly suggested)
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Does this MR meet the acceptance criteria?
Conformity
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📋 Does this MR need a changelog?-
I have not included a changelog entry because this is ~"technical debt" and CSS cleanup .
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- [n/a] Documentation (if required)
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Code review guidelines - [n/a] Merge request performance guidelines
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Style guides - [n/a] Database guides
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Separation of EE specific content
Closes #27781 (closed)
Edited by Takuya Noguchi