Fix docs change

Author: johno

apps/docs/pages/components/fieldset.mdx

@@ -23,10 +23,8 @@ import { Editor, Fieldset, Inputs, styled } from '@compai/css-gui'
 
 const MyEditor = () => {
   const [styles, setStyles] = useState({
-    h1: {
-      '::first-letter': {
-        fontSize: { unit: 'px', value: 32 },
-      },
+    '::first-letter': {
+      fontSize: { unit: 'px', value: 32 },
     },
   })