Added Pico.css

app/views/layouts/application.html.erb

@@ -18,6 +18,7 @@
     <link rel="apple-touch-icon" href="/icon.png">
 
     <%# Includes all stylesheet files in app/assets/stylesheets %>
+    <%= stylesheet_link_tag 'pico.jade.min.css', "data-turbo-track": "reload" %>
     <%= stylesheet_link_tag :app, "data-turbo-track": "reload" %>
     <%= javascript_importmap_tags %>
   </head>

config/initializers/assets.rb

@@ -1,7 +1,10 @@
+# frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = "1.0"
+Rails.application.config.assets.version = '1.0'
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
+Rails.application.config.assets.paths << Rails.root.join('vendor/stylesheets')