usar sassc para compilar las hojas de estilo

Gemfile

@@ -24,7 +24,7 @@ gem 'rails', '~> 6'
 # Use Puma as the app server
 gem 'puma'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
+gem 'sassc-rails'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # See https://github.com/rails/execjs#readme for more supported runtimes

Gemfile.lock

@@ -343,17 +343,6 @@ GEM
     rubyzip (2.0.0)
     rugged (0.28.4.1)
     safe_yaml (1.0.5)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.1.0)
-      railties (>= 5.2.0)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
     sassc (2.2.1)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -472,7 +461,7 @@ DEPENDENCIES
   rubocop-rails
   rubyzip
   rugged
-  sass-rails (~> 5.0)
+  sassc-rails
   selenium-webdriver
   spring
   spring-watcher-listen (~> 2.0.0)