Index: lams_learning/web/presenceChat.jsp
===================================================================
diff -u -r0ddeb3a1dcf29cbbba6ed0fccbd139f9c31c347f -r60779059ff2b1c6e4009963fdfc131164457e82c
--- lams_learning/web/presenceChat.jsp	(.../presenceChat.jsp)	(revision 0ddeb3a1dcf29cbbba6ed0fccbd139f9c31c347f)
+++ lams_learning/web/presenceChat.jsp	(.../presenceChat.jsp)	(revision 60779059ff2b1c6e4009963fdfc131164457e82c)
@@ -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>