How to run autoprefixer plugin for Sublime Text 3?

Question

css

When I select ctr+shift+p I choose Autoprefixer CSS. Gives the following error:
Autoprefixer 'utf-8' codec can't decode byte 0xad in poAutoprefixer 'utf-8' codec can't decode byte 0xad in position 7: invalid start bytesition 7: invalid start byte
I read that you need to install node.js Installed nothing changed. What am I to blame?
Rebooted) The error is gone.
wrote

border-radius: 4px;
  box-shadow: 1px 1px 2px 3px #fff;

Launched the plugin, nothing happened. It is posted on the site in the same way.
How to test the plugin?

Answer 1

Yes, I wrote that there is an invisible hyphen, remove it and that's it, 0xad is soft hyphen code