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![Button] disabled button's tabindex should be `-1` · Issue #1955 · palantir/blueprint · GitHub](https://user-images.githubusercontent.com/7429808/34239811-f7695e36-e644-11e7-9c06-34da7922ab27.png "Button] disabled button's tabindex should be `-1` · Issue #1955 · palantir/blueprint · GitHub")
Button] disabled button's tabindex should be `-1` · Issue #1955 · palantir/blueprint · GitHub
How to make a button disabled in CSS & HTML · Dev Practical
css selectors - Disabled Input Button CSS Rules Not Working In Mobile Safari - Stack Overflow
