Selectors.io

Answering the age-old question of ‘What does this CSS selector do?’

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Start by typing or pasting in any CSS selector you like into the above text input field

Welcome

Selectors.io has only recently been launched and is still in a very beta-esque state.

It's open-sourced on GitHub at github.com/selectors/selectors.io.
If you find any bugs, feel free to report them at github.com/selectors/selectors.io/issues.

Examples

If you're lost for inspiration, you can click on any of the below examples to give Selectors.io a try!
Note that you can get back to this list at any point by clicking the button.

.list-group-item > .badge + .badgeBootstrap

a[href^="http:"]This Stack Overflow question

ns|*The Selectors Level 3 W3C Recommendation

audio:not([controls])Normalize.css

Selectors.io is maintained by James Donnelly (@inb4) and is open-sourced at github.com/selectors/selectors.io
Found a bug? Have a suggestion? Make it known at github.com/selectors/selectors.io/issues