Cant edit CSS STYLE properties (grayed out & blocked) in chrome

Question

I am experiencing (havent seen before) something strange issue. When I enter a site (site in question is RunForGithub.com) first time, and open up Chrome Inpsect console, th

Answer 1

This was approved as a bug and will be fixed in near future:

https://bugs.chromium.org/p/chromium/issues/detail?id=796629