🚧 fixes font sizes

Fonts are set in site.css at a large base than we use. This resets it and now haeder fonts match. Body font is not quite as big either and matches the main site.

frontend/userguidestyles.css

@@ -1,3 +1,4 @@
+@tailwind base;
 @tailwind components;
 @tailwind utilities;
 
@@ -5,6 +6,10 @@
   display: none !important;
 }
 
+html {
+  @apply text-base;
+}
+
 body {
   @apply h-screen font-cairo;
   @apply font-cairo;