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| -rw-r--r-- | CONTRIBUTING.md | 1 |
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index a01c8c0e4..304a983d2 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -174,6 +174,7 @@ license your work under the terms of the [MIT License](LICENSE.md). - Series of classes for a component should include a base class (e.g., `.component`) and use the base class as a prefix for modifier and sub-components (e.g., `.component-lg`). - Avoid inheritance and over nesting—use single, explicit classes whenever possible. - When feasible, default color palettes should comply with [WCAG color contrast guidelines](http://www.w3.org/TR/WCAG20/#visual-audio-contrast). +- Except in rare cases, don't remove default `:focus` styles (via e.g. `outline: none;`) without providing alternative styles. See [this A11Y Project post](http://a11yproject.com/posts/never-remove-css-outlines/) for more details. ### JS |