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![Button] if `$css--reset: false`, no visible focus for icon-only variation with a tooltip · Issue #4245 · carbon-design-system/carbon · GitHub](https://user-images.githubusercontent.com/9057921/66342335-cb3b8400-e90e-11e9-9314-e10e88a9efb7.png "Button] if `$css--reset: false`, no visible focus for icon-only variation with a tooltip · Issue #4245 · carbon-design-system/carbon · GitHub")
Button] if `$css--reset: false`, no visible focus for icon-only variation with a tooltip · Issue #4245 · carbon-design-system/carbon · GitHub
Having a Little Fun With Custom Focus Styles | CSS-Tricks - CSS-Tricks
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How to Style CSS Focus Outline
