Index: lams_learning/web/presenceChat.jsp
===================================================================
RCS file: /usr/local/cvsroot/lams_learning/web/presenceChat.jsp,v
diff -u -r1.5.2.2 -r1.5.2.3
--- lams_learning/web/presenceChat.jsp	28 Jul 2016 03:47:15 -0000	1.5.2.2
+++ lams_learning/web/presenceChat.jsp	23 Aug 2016 11:12:04 -0000	1.5.2.3
@@ -55,7 +55,7 @@
 			    	<div id="groupchat_messageArea" class="messageArea"></div>
 			    	<div id="groupchat_sendArea" class="sendArea">
 						<input id="groupchat_messageInput" onkeydown="javascript:handleMessageInput(event, groupChatInfo.nick)" type="text" class="messageInput" />
-						<input type="button" value="<fmt:message key="learner.im.send"/>" class="sendButton"
+						<input type="button" value="<fmt:message key="learner.im.send"/>" class="sendButton btn btn-default btn-xs"
 						       onclick="javascript:sendMessage(groupChatInfo.nick)" />
 					</div>
 	   			</div>