Add a extra sass file for easy variable override.

hypha/static_src/src/sass/apply/custom/_extra.scss

+// stylelint-disable no-empty-source

hypha/static_src/src/sass/apply/main.scss

@@ -3,6 +3,9 @@
 @import 'abstracts/mixins';
 @import 'abstracts/variables';
 
+// Custom overrides
+@import 'custom/extra';
+
 // Base
 @import 'base/base';
 @import 'base/typography';

hypha/static_src/src/sass/public/custom/_extra.scss

+// stylelint-disable no-empty-source

hypha/static_src/src/sass/public/main.scss

@@ -3,6 +3,9 @@
 @import 'abstracts/mixins';
 @import 'abstracts/variables';
 
+// Custom overrides
+@import 'custom/extra';
+
 // Base
 @import 'base/base';
 @import 'base/typography';