even better demo song menu

Author: spessasus

src/website/css/notification/notification.css

@@ -66,7 +66,6 @@
     display: flex;
     flex-wrap: wrap;
     flex-direction: column;
-    justify-content: center;
 }
 
 .notification .close_btn {

src/website/js/main/demo_main.ts

@@ -599,6 +599,11 @@ demoSongButton.addEventListener("click", async () => {
         contents,
         999_999,
         true,
-        undefined
+        undefined,
+        {
+            overflowY: "scroll",
+            flexWrap: "nowrap",
+            maxHeight: "80vh"
+        }
     );
 });