style(post): update font sizes and colors in post styling

theme.yaml

@@ -13,5 +13,5 @@ spec:
   repo: https://git.dev.cm/theme-terminal
   settingName: "theme-terminal-setting"
   configMapName: "theme-terminal-configMap"
-  version: 1.1.10
+  version: 1.1.10c
   require: ">=2.22.0"