Index: lams_tool_larsrc/web/pages/learning/addfile.jsp
===================================================================
diff -u -r78d4b7fda7982f0f9957d6ab206ce9c741f2eea1 -rbc8213e12c4e5afddd0394ad66386ef3e70d1611
--- lams_tool_larsrc/web/pages/learning/addfile.jsp	(.../addfile.jsp)	(revision 78d4b7fda7982f0f9957d6ab206ce9c741f2eea1)
+++ lams_tool_larsrc/web/pages/learning/addfile.jsp	(.../addfile.jsp)	(revision bc8213e12c4e5afddd0394ad66386ef3e70d1611)
@@ -21,24 +21,24 @@
 		<form:hidden path="mode" id="mode"/>
 		<form:hidden path="sessionMapID"/>
 	
-		<div class="form-group">
+		<div class="mb-3">
 	    	<label for="title"><fmt:message key="label.authoring.basic.resource.title.input" /></label>:
 			<form:input path="title" class="form-control" tabindex="1" id="resourcetitle"/>
 	  	</div>	
-		<div class="form-group">
+		<div class="mb-3">
 	    	<label for="instructions"><fmt:message key="label.authoring.basic.instruction" /></label>
 			<lams:CKEditor id="instructions" value="" contentFolderID="${learnerContentFolder}"></lams:CKEditor>
 	  	</div>	
 	  	
 		<input type="hidden" id="tmpFileUploadId" name="tmpFileUploadId" value="${resourceItemForm.tmpFileUploadId}" />
-		<div id="image-upload-area" class="voffset20"></div>
+		<div id="image-upload-area" class="mt-4"></div>
 		
 		<lams:WaitingSpinner id="itemAttachmentArea_Busy"/>	
-		<div id="buttons" class="float-end voffset10">
-	 		<button name="goback" onclick="javascript:cancel()" class="btn btn-sm btn-default" id="cancelButton">
+		<div id="buttons" class="float-end mt-2">
+	 		<button name="goback" onclick="javascript:cancel()" class="btn btn-sm btn-secondary" id="cancelButton">
 				<fmt:message key="button.cancel" />
 			</button>&nbsp;
-			<button type="submit" class="btn btn-sm btn-default btn-disable-on-submit" id="submitButton">
+			<button type="submit" class="btn btn-sm btn-secondary btn-disable-on-submit" id="submitButton">
 			 	<fmt:message key="button.add" />
 			</button>
 		</div>