It's not a selector, it's a property. It exists, but support is not good. It's been behind a flag in Chrome for over well two years. http://caniuse.com/#search=

It's not a selector, it's a property. It exists, but support is not good. It's been behind a flag in Chrome for over well two years. http://caniuse.com/#search=sticky http://caniuse.com/#search=sticky