Index: lams_central/web/groupHeader.jsp
===================================================================
diff -u -r70e6fe3062072e2c6188217c562a4f33f0838604 -rb1983f8db0e20486771940d9412fdfadd9e4c684
--- lams_central/web/groupHeader.jsp	(.../groupHeader.jsp)	(revision 70e6fe3062072e2c6188217c562a4f33f0838604)
+++ lams_central/web/groupHeader.jsp	(.../groupHeader.jsp)	(revision b1983f8db0e20486771940d9412fdfadd9e4c684)
@@ -9,7 +9,7 @@
 	<!-- bootstrap More options dropdown -->
 	<div class="course-right-buttons pull-right">
 	<div class="btn-group">
-	  <button type="button" class="btn btn-primary btn-sm dropdown-toggle ${addTourClass?'tour-more-options':''}" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><i class="fa fa-fw fa-sliders" title="<fmt:message key="index.moreActions" />"></i> <span class="d-none d-sm-inline"><fmt:message key="index.moreActions" /></span> <span class="caret"></span></button>
+	  <button type="button" class="btn btn-default btn-sm dropdown-toggle ${addTourClass?'tour-more-options':''}" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><i class="fa fa-fw fa-sliders" title="<fmt:message key="index.moreActions" />"></i> <span class="d-none d-sm-inline"><fmt:message key="index.moreActions" /></span> <span class="caret"></span></button>
 	  <ul id="more-links-menu" class="dropdown-menu">
 		<c:forEach var="link" items="${org.moreLinks}">
 			 <li onClick="${link.url}"
@@ -31,12 +31,12 @@
 		<c:when test="${link.name eq 'index.addlesson.single'}">
 			<div class="course-right-buttons pull-right">
 				<div class="btn-group" role="group">
-					<button onClick="<c:out value='${link.url}'/>" type="button" class="btn btn-primary btn-sm ${addTourClass?'tour-add-lesson':''}">
+					<button onClick="<c:out value='${link.url}'/>" type="button" class="btn btn-default btn-sm ${addTourClass?'tour-add-lesson':''}">
 						<i class="${link.style}" title="<fmt:message key="index.addlesson" />"></i>
 						<span class="d-none d-sm-inline"><fmt:message key="index.addlesson" /></span>
 					</button>
 					<div class="btn-group" role="group">
-						<button id="addSingleActivityLessonDrop" type="button" class="btn btn-primary btn-sm dropdown-toggle ${addTourClass?'tour-add-single-lesson':''}" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+						<button id="addSingleActivityLessonDrop" type="button" class="btn btn-default btn-sm dropdown-toggle ${addTourClass?'tour-add-single-lesson':''}" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
 							<span class="caret"></span>
 						</button>
 						<ul class="dropdown-menu" aria-labelledby="openDropButton">
@@ -54,12 +54,12 @@
 		<c:when test="${link.name eq 'index.kumalive.teacher'}">
 			<div class="course-right-buttons pull-right">
 				<div class="btn-group" role="group" title="<fmt:message key="${link.tooltip}" />">
-					<button onClick="<c:out value='${link.url}'/>" type="button" class="btn btn-primary btn-sm">
+					<button onClick="<c:out value='${link.url}'/>" type="button" class="btn btn-default btn-sm">
 						<i class="${link.style}"></i>
 						<span class="d-none d-sm-inline"><fmt:message key="index.kumalive" /></span>
 					</button>
 					<div class="btn-group" role="group">
-						<button type="button" class="btn btn-primary btn-sm dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+						<button type="button" class="btn btn-default btn-sm dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
 							<span class="caret"></span>
 						</button>
 						<ul class="dropdown-menu">
@@ -102,7 +102,7 @@
 		</c:when>
 		<c:otherwise>
 			<div class="course-right-buttons pull-right">
-				<button class="btn btn-primary btn-sm tour-${link.id}" onClick="<c:out value='${link.url}'/>"  type="button" 
+				<button class="btn btn-default btn-sm tour-${link.id}" onClick="<c:out value='${link.url}'/>"  type="button" 
                      <c:if test="${not empty link.tooltip}">
                      	title="<fmt:message key='${link.tooltip}'/>"
                  	</c:if>