How to work with css and js in Rails?

Question

css

Good afternoon.
I'm just starting to learn the framework. Codecademy talks in detail about models and controllers, but the moment of adding css is omitted all the time. Do I understand correctly that I need to add, say, the a.css file to the app/assets folder , and then paste the code below into the desired view?
<%= stylesheet_link_tag 'a' %>
Will Rails actually insert an include for this file after that and, most importantly, find it in the right folder?

Answer 1

rusrails.ru/asset-pipeline