CSSLint is a tool to help point out problems with your CSS code. It does basic syntax checking as well as applying a set of rules to the code that look for problematic patterns or signs of inefficiency. The rules are all pluggable, so you can easily write your own or omit ones you don't want.

1. Nicole Sullivan, https://www.stubbornella.org
2. Nicholas C. Zakas, https://www.nczonline.net

1. Samori Gorse, https://twitter.com/shinuza (Rules, Non-zero Exit Code for CLI)
2. Eitan Konigsburg, https://twitter.com/eitanmk (Rhino CLI)
3. Ben Barber (Compatible Vendor Prefix Rule)
4. Eric Wendelin, https://eriwen.com (Output formatters)
5. Kasper Garnaes, https://reload.dk (Checkstyle XML format)