fix html embed overflow

app/src/components/HtmlEmbed.astro

@@ -69,7 +69,7 @@ const mountId = `frag-${Math.random().toString(36).slice(2)}`;
   </script>
 
 <style is:global>
-  .html-embed { margin: 0 0 var(--block-spacing-y); overflow: hidden; }
+  .html-embed { margin: 0 0 var(--block-spacing-y); }
   .html-embed__title { 
     text-align: left; 
     font-weight: 600;