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Merge pull request #12521 from twbs/outline-none-note

add note to CONTRIBUTING.md about `outline: none`
This commit is contained in:
Mark Otto 2014-02-04 01:49:29 -08:00
commit 95494f806d

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@ -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