diff --git a/css/rt-ai-html.css b/css/rt-ai-html.css
index f3153cc..7874308 100644
--- a/css/rt-ai-html.css
+++ b/css/rt-ai-html.css
@@ -64,7 +64,9 @@
     display: flex;
     flex-wrap: wrap;
     gap: clamp(0.5rem, 2vw, 1rem);
-    margin-top: 1.5rem;
+    margin-inline: auto;
+    margin-block: 1.5rem;
+    width: 100%;
 }
 
 /* Button classes */