* Course theme: Update the styles of back to lesson button of quiz in learning mode (#7312)
* Fix font weight in gold variation
* Fix back to lesson font family in default variation
* Fix back to lesson font family in gold variation
* Fix back to lesson font family in blue variation
* Fix back to lesson font family in dark variation
* Quiz footer button styles fix (#7317)
* Fix font weight in gold variation
* Fix back to lesson font family in default variation
* Fix back to lesson font family in gold variation
* Fix back to lesson font family in blue variation
* Fix back to lesson font family in dark variation
* Fix default font size
* Fix gold variation font size
* Fix dark variation font size
* Fix blue variation font size
* Simply Quiz Actions block CSS
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Co-authored-by: Donna Peplinskie <donnapep@gmail.com>
* Update stylings for quiz, questions and answers (#7331)
* Fix font weight in gold variation
* Fix back to lesson font family in default variation
* Fix back to lesson font family in gold variation
* Fix back to lesson font family in blue variation
* Fix back to lesson font family in dark variation
* Fix default font size
* Fix gold variation font size
* Fix dark variation font size
* Fix blue variation font size
* Fix default variation question title font stylings
* Fix spacings above and below question title
* Add default style for file upload button
* Add question, title and file upload button styles for blue variation
* Add question, title and file upload button styles for dark variation
* Add question, title and file upload button styles for gold variation
* Update file upload placeholder spacings for all variations
* Further clarify CSS selector to prevent collisions
* Adjust question title CSS for Gold variation
* Set font family for quiz points in Gold variation
* Eliminate use of custom font size
* Remove obsolete CSS for file upload component
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Co-authored-by: Donna Peplinskie <donnapep@gmail.com>
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Co-authored-by: Imran Hossain <imran.hossain@automattic.com>
Co-authored-by: Donna Peplinskie <donnapep@gmail.com>