.chat-body should have top rounded corners

converse.css

@@ -87,7 +87,8 @@ img.centered {
 .chatroom .chat-body {
     height: 272px;
     background-color: white;
-    border-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-bottom-left-radius: 4px;
 }
 
 .chatroom .chat-area {
@@ -410,7 +411,8 @@ a.configure-chatroom-button {
 .chat-body p {
     font-size: 14px;
     color: #666;
-    margin: 5px;
+    padding: 5px;
+    margin: 0;
 }
 
 .chatroom-form legend {