diff --git a/src/defaultTheme/css/main.css b/src/defaultTheme/css/main.css
index 83426b6f4..ac8ff1121 100644
--- a/src/defaultTheme/css/main.css
+++ b/src/defaultTheme/css/main.css
@@ -18,7 +18,7 @@
 }
 
 body {
-  @apply antialiased tracking-semitight text-gray-900 bg-white dark:text-gray-50 dark:bg-gray-900;
+  @apply antialiased text-root tracking-semitight text-gray-900 bg-white dark:text-gray-50 dark:bg-gray-900;
 }
 
 .fade-enter-active,
diff --git a/src/defaultTheme/windi.config.ts b/src/defaultTheme/windi.config.ts
index b98a1930e..6f858ebf7 100644
--- a/src/defaultTheme/windi.config.ts
+++ b/src/defaultTheme/windi.config.ts
@@ -37,6 +37,7 @@ export default defineConfig({
     },
     extend: {
       fontSize: {
+        root: '16px',
         lg: ['1.125rem', '1.5rem'] // NOT WORKING
       },
       fontFamily: {