What is the difference between css and scss

Answer 1

scss it kinda the efficient way to write a css.
some rules looks a bit different but make sense. it even has a conditional branch.
but its not actually a css. you cant directly use it. it need to be compiled into css first before it can be used.

Answer 2

If you study from the codes of css and scss, it would you understand the difference between them.
https://code.sololearn.com/WWNwYFjRqlyd/?ref=app
https://code.sololearn.com/WgoUzKbdNvbg/?ref=app

Answer 3

scss is a language within frameworks of css. sass uses scss.
it all turns into normal css after compiling