Use csschecker to perform checks on your CSS and its interaction with other source files in your project.
Example:
csschecker --verbose --config myProject/myRules.json myProject/source/ myProject/web/css
Options:
--config Relative or absolute path to a ruleset.json file
--verbose Enable verbose output
Providing multiple code or source folders:
--additionalCodeDir Additional source code folder to scan. Option can be used multiple times
--additionalCssDir Additional css code folder to scan. Option can be used multiple times