Reorganize variable management

assets/_defaults.scss

@@ -74,8 +74,13 @@ $hint-colors: (
   --color-link: #0000ff;
   --color-visited-link: #7d36fc;
 
+  --macao-primary-color: #2aa198;
+  --macao-secondary-color: #268bd2;
   --body-background: #fdf6e3;
+  --secondary-background-color: white;
+
   --body-font-color: black;
+  --macao-secondary-font-color: white;
 
   --icon-filter: black;