How To Use Modern CSS Without Breaking Old Browsers

Ref : https://www.youtube.com/watch?v=ZzuYbhKVPE0&list=PLZlA0Gpn_vH8mpXIUHjWoMAAgoCEinL0R&index=7

To check if position sticky is supported by browser and then do some hacking to work it similar way.


Hack to fix old browser issue with modern css.