Index: lams_tool_doku/web/pages/monitoring/summary5.jsp
===================================================================
diff -u -r0e00d2f9315bed9d5fcabd171807dee3ad8c557b -rcccedfcc05b35bb352101b01120b4b2f9edbbdc5
--- lams_tool_doku/web/pages/monitoring/summary5.jsp	(.../summary5.jsp)	(revision 0e00d2f9315bed9d5fcabd171807dee3ad8c557b)
+++ lams_tool_doku/web/pages/monitoring/summary5.jsp	(.../summary5.jsp)	(revision cccedfcc05b35bb352101b01120b4b2f9edbbdc5)
@@ -437,21 +437,21 @@
 				  <div class="card-body">
 				   		<button id="gallery-walk-start" type="button"
 						        class="btn btn-primary
-						        	   ${not dokumaran.galleryWalkStarted and not dokumaran.galleryWalkFinished ? '' : 'hidden'}"
+						        	   ${not dokumaran.galleryWalkStarted and not dokumaran.galleryWalkFinished ? '' : 'd-none'}"
 						        onClick="javascript:startGalleryWalk()">
 							<fmt:message key="monitoring.summary.gallery.walk.start" /> 
 						</button>
 						
 						<button id="gallery-walk-finish" type="button"
-						        class="btn btn-primary ${dokumaran.galleryWalkStarted and not dokumaran.galleryWalkFinished ? '' : 'hidden'}"
+						        class="btn btn-primary ${dokumaran.galleryWalkStarted and not dokumaran.galleryWalkFinished ? '' : 'd-none'}"
 						        onClick="javascript:finishGalleryWalk()">
 							<fmt:message key="monitoring.summary.gallery.walk.finish" /> 
 						</button>
 						
 						<br>
 									
 						<button id="gallery-walk-learner-edit" type="button"
-						        class="btn btn-default ${not dokumaran.galleryWalkEditEnabled and (dokumaran.galleryWalkStarted or dokumaran.galleryWalkFinished) ? '' : 'hidden'}"
+						        class="btn btn-secondary ${not dokumaran.galleryWalkEditEnabled and (dokumaran.galleryWalkStarted or dokumaran.galleryWalkFinished) ? '' : 'd-none'}"
 						        onClick="javascript:enableGalleryWalkLearnerEdit()">
 							<fmt:message key="monitoring.summary.gallery.walk.learner.edit" /> 
 						</button>