How to add css to controller view on basis on controller name

I am new to ruby. I want to add css to controller view on basis of controller names. How can i do so because using all css is making difficult for me to change body color and other attributes using css.

Currently, my application.html.erb has :

<%= stylesheet_link_tag    "application", :media => "all" %>

to use all css files. How can i customize it to use particular css with particular controller.

Thanks in advance


I use something like this in my ApplicationHelper.

def controller_stylesheet_link_tag
  return "" if params[:controller].blank?
    stylesheet_link_tag params[:controller].downcase, :media => "all"
  rescue Exception => e

Then, you just call <%=controller_stylesheet_link_tag %> in your layout.

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