This is the SonarQube CSS Plugin
Project homepage: http://docs.codehaus.org/x/EYFMDg
Issue tracking: http://jira.codehaus.org/browse/SONARCSS
CI builds: http://sonarplugins.ci.cloudbees.com/job/css
Download and Version and information: http://update.sonarsource.org/plugins/css-confluence.html
The plugin enables analysis of CSS within SonarQube.
To run an analysis of your project with CSS files, use the SonarQube Runner.
A sample project is available on GitHub: https://github.com/SonarSource/sonar-examples/tree/master/projects/languages/css/css-sonar-runner
Maven and Ant can also be used to launch analysis on CSS projects.