diff --git a/assets/css/input.css b/assets/css/input.css
index 121c533..0c453fe 100644
--- a/assets/css/input.css
+++ b/assets/css/input.css
@@ -166,6 +166,9 @@
   .c4-game-area { flex-direction: column; align-items: center; }
   .c4-game-area .c4-chat { width: 100%; max-width: 480px; }
   .c4-chat-history { height: 150px; }
+  .board { gap: 4px; padding: 8px; }
+  .column { gap: 4px; padding: 2px; }
+  .cell { width: 36px; height: 36px; }
 }
 
 /* C4 chat */
diff --git a/assets/css/output.css b/assets/css/output.css
index 0bdf756..ec5f46d 100644
--- a/assets/css/output.css
+++ b/assets/css/output.css
@@ -1723,6 +1723,18 @@
   .c4-chat-history {
     height: 150px;
   }
+  .board {
+    gap: 4px;
+    padding: 8px;
+  }
+  .column {
+    gap: 4px;
+    padding: 2px;
+  }
+  .cell {
+    width: 36px;
+    height: 36px;
+  }
 }
 .c4-chat {
   width: 100%;
diff --git a/ui/c4chat.go b/ui/c4chat.go
index 0e61671..a796085 100644
--- a/ui/c4chat.go
+++ b/ui/c4chat.go
@@ -50,7 +50,7 @@ func C4Chat(messages []C4ChatMessage, msgBind, sendClick, sendKeyDown h.H) h.H {
 
 	return h.Div(h.Class("c4-chat"),
 		h.Div(historyAttrs...),
-		h.Div(h.Class("c4-chat-input"),
+		h.Div(h.Class("c4-chat-input"), h.DataIgnoreMorph(),
 			h.Input(
 				h.Type("text"),
 				h.Attr("placeholder", "Chat..."),