fix(web): navigation styles (#1177)

packages/web/src/javascripts/Components/NoAccountWarning/NoAccountWarningContent.tsx

@@ -24,7 +24,7 @@ const NoAccountWarningContent = ({ accountMenuController, noAccountWarningContro
   }, [noAccountWarningController])
 
   return (
-    <div className="mt-4 grid grid-cols-1 rounded-md p-4 shadow">
+    <div className="mt-4 grid grid-cols-1 rounded-md p-4 shadow-main">
       <h1 className="sk-h3 m-0 text-sm font-semibold">Data not backed up</h1>
       <p className="col-start-1 col-end-3 m-0 mt-1 text-sm">Sign in or register to back up your notes.</p>
       <Button primary small className="col-start-1 col-end-3 mt-3 justify-self-start" onClick={showAccountMenu}>