Adjust notice display

Author: techniq

packages/layerchart/src/routes/+layout.svelte

@@ -134,10 +134,13 @@
 
   <AppBar title="LayerChart" class="pt-8">
     <div
-      class="fixed top-0 left-0 w-full h-8 bg-primary-700 flex gap-2 items-center justify-center text-sm font-medium"
+      class="fixed top-0 left-0 w-full h-8 bg-primary-700 border-b border-primary-800/50 shadow flex gap-2 items-center justify-center text-sm font-medium"
     >
       LayerChart for Svelte 5 has been released! -
-      <a href="https://next.layerchart.com" class="underline-offset-2 hover:underline">
+      <a
+        href="https://next.layerchart.com"
+        class="font-semibold underline-offset-2 hover:underline"
+      >
         Visit the preview docs <Icon data={mdiArrowTopRight} class="text-xs mt-[-2px]" />
       </a>
     </div>