Fix README.md

mgred · mgred · commit 6a38422b0b27 · 2023-09-30T20:16:34.000+02:00
diff --git a/README.md b/README.md
@@ -106,6 +106,7 @@ Tailwind verbosity goes up with more child elements.
 ### CSS variables and child styling
 ```html
 <!doctype html>
+<html>
     <head>
         <style>
             :root {
