Fixes pragma and pragmaFrag runtime error with theme ui

Billson7 · Billson7 · commit 7b18e8c1cb77 · 2021-01-07T16:49:17.000Z
diff --git a/src/components/nav.jsx b/src/components/nav.jsx
@@ -1,5 +1,6 @@
 /** @jsx jsx */
-import { jsx } from 'theme-ui'
+/** @jsxRuntime classic */
+import { jsx } from "theme-ui";
 import Link from 'next/link'
 
 const Nav = () => (
