Ivan Serniaev

@codebysubtract stylelint supports [variable syntaxes](https://github.com/stylelint/stylelint/blob/master/lib/rules/function-calc-no-unspaced-operator/index.js#L67) and wasn't throwing anything prior variables deprecation.

@ben-eb I can be an collaborator :) Atm I'm not familiar with API yet, but I can help with property coverage for a first time.

@ben-eb okay, I will take a look today or next week

I'm a bit late but I want to help as well :) guess I will join later

@ai neither @Xaviju nor @mjovel showed up, I'll take @mjovel tasks

**Existing Stylelint rules** 1. [ids](https://github.com/CSSLint/csslint/wiki/Disallow-IDs-in-selectors) -> [selector-no-id](https://github.com/stylelint/stylelint/blob/master/src/rules/selector-no-id/README.md) 2. [important](https://github.com/CSSLint/csslint/wiki/Disallow-%21important) -> [declaration-no-important](https://github.com/stylelint/stylelint/blob/master/src/rules/declaration-no-important/README.md) **CSSLint unique rules** 1. [floats](https://github.com/CSSLint/csslint/wiki/Disallow-too-many-floats) 2. [font-sizes](https://github.com/CSSLint/csslint/wiki/Don%27t-use-too-many-font-size-declarations) **CSSLint rules I'm not sure about** 1. [qualified-headings](https://github.com/CSSLint/csslint/wiki/Disallow-qualified-headings) 2. [unique-headings](https://github.com/CSSLint/csslint/wiki/Headings-should-only-be-defined-once) There are...