applied variables and buttons styles

styles/sass/styles.scss

@@ -1,6 +1,9 @@
 @import "node_modules/govuk-frontend/govuk/all";
-//@import "prevent-training/_application";
+
+// Add extra styles here, or re-organise the Sass files in whichever way makes most sense to you
+@import "welshgov/_variables";
 @import "welshgov/_application";
+@import "welshgov/application_old";
 
 // global styles for <a> and <p> tags
 $govuk-global-styles: true;
@@ -23,6 +26,3 @@ $govuk-assets-path: "/govuk/assets/";
 
 // Components that aren't in Frontend
 @import "components/cookie-banner";
-
-// Add extra styles here, or re-organise the Sass files in whichever way makes most sense to you
-@import "prevent-training/application";