Change bg-2 to surface0 and add foreground accent colors.

source/scss/catppuccin.scss

@@ -5,7 +5,9 @@
 .catppuccin {
   // The comments after each color indicate which variant and variable it is.
   --bg-1: #1e1e2e; // Mocha  $base
-  --bg-2: #6c7086; // Mocha  $overlay0
+  --bg-2: #313244; // Mocha  $surface0
   --fg-1: #eff1f5; // Frappe $base
   --fg-2: #a6adc8; // Mocha  $subtext0
+  --fa-1: #fab387; // Mocha  $peach
+  --fa-2: #74c7ec; // Mocha  $sapphire
 }