OO-1961 adding some css classes to hide elements

src/main/java/org/olat/core/gui/components/form/flexible/impl/_content/form_barebone.html

+#if ($off_css_class) <div class='$off_css_class'> #end
 #foreach ($item in $formitemnames)
 	#if ($f.isVisible($item))
 		$r.render(${item})
 	#end
-#end
\ No newline at end of file
+#end
+#if ($off_css_class) </div> #end

src/main/java/org/olat/user/ProfileFormController.java

@@ -137,6 +137,7 @@ public class ProfileFormController extends FormBasicController {
 			Identity identityToModify, boolean isAdministrativeUser) {
 		super(ureq, wControl, LAYOUT_BAREBONE);
 		setTranslator(userManager.getPropertyHandlerTranslator(getTranslator()));
+		setFormStyle("o_user_profile_form");
 		
 		this.identityToModify = identityToModify;
 		this.isAdministrativeUser = isAdministrativeUser;
@@ -221,6 +222,7 @@ public class ProfileFormController extends FormBasicController {
 		// add the "about me" text field.
 		FormLayoutContainer groupContainer = FormLayoutContainer.createDefaultFormLayout("group.about", getTranslator());
 		groupContainer.setFormTitle(translate("form.group.about"));
+		groupContainer.setElementCssClass("o_user_aboutme");
 		formLayout.add(groupContainer);
 		
 		HomePageConfig conf = hpcm.loadConfigFor(identityToModify.getName());

src/main/java/org/olat/user/_content/homepagedisplay.html

@@ -16,7 +16,7 @@
 		
 		<table class="table table-condensed table-striped">
 			#if($r.available("im.link"))
-			<tr>
+			<tr class="o_im_status">
 				<th>
 					<label>
 						$r.translate("status")
@@ -43,7 +43,7 @@
 			</tr>
 			#end		
 		#if ( $homepageConfig.getTextAboutMe() && ($homepageConfig.getTextAboutMe() != "") )
-		<tr valign="top">
+		<tr valign="top" class="o_user_aboutme">
 			<th>
 				<label>
 					$r.translate("form.text")
@@ -58,7 +58,7 @@
 	</div>
 </div></div>
 
-<div class="o_extlink clearfix o_block_large_bottom">
+<div class="o_visitingcard_link o_extlink clearfix o_block_large_bottom">
 	<h5>$r.translate("extlink")</h5>
 	<div class="o_copy_code o_nowrap">
 		<a href="javascript:;" id="o_extlink" data-original-title="" title=""><i class="o_icon o_icon-lg o_icon-fw o_icon_qrcode"></i></a>