chore: reverting css import order

Author: georgewrmarshall

src/css/index.css

@@ -1,5 +1,5 @@
 @import './brand-colors.css';
-@import './typography.css';
-@import './shadow.css';
 @import './light-theme-colors.css';
 @import './dark-theme-colors.css';
+@import './typography.css';
+@import './shadow.css';