Add page css to form in jquery-form-wizard.

wizard.patch

eb31fd63a313757ad25c032248a28944d375959f
 .../jquery-ui-wizard/jquery.form.wizard.js         |   27 +++++++++++++++++---
 1 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/portal/src/public/libraries/jquery-ui-wizard/jquery.form.wizard.js b/portal/src/public/libraries/jquery-ui-wizard/jquery.form.wizard.js
index 39a2397..c5525a9 100644
--- a/portal/src/public/libraries/jquery-ui-wizard/jquery.form.wizard.js
+++ b/portal/src/public/libraries/jquery-ui-wizard/jquery.form.wizard.js
@@ -13,7 +13,7 @@
 
 
 (function($){
-	$.widget("ui.formwizard", {
+    $.widget("ui.formwizard", {
 
 		_init: function() {
 
@@ -141,10 +141,25 @@
 				this.backButton.addClass("ui-helper-reset ui-state-default");
 				this.nextButton.addClass("ui-helper-reset ui-state-default");
 			}
-			this._show(undefined);
+            this._show(undefined);
 			return $(this);
 		},
 
+        _updateFormWizardClass: function() {
+            var newClass = this.currentStep;
+            var prefix = "formwizard-";
+
+            // Remove earlier classes
+            $.each(wizard[0].classList, function(i, className){
+                if (className.startsWith(prefix)) {
+                    wizard.removeClass(className);
+                }
+            });
+
+            // Add new class
+            wizard.addClass(prefix + newClass);
+        },
+
 		_next : function(){
 			if(this.options.validationEnabled){
 				if(!this.element.valid()){
@@ -185,7 +200,7 @@
 				}
 			}
 
-			return this._continueToNextStep();
+            return this._continueToNextStep();
 		},
 
 		_back : function(){
@@ -334,10 +349,14 @@
 			}
 
 			if(this.currentStep !== step || step === this.firstStep){
-				this.previousStep = this.currentStep;
+                this.previousStep = this.currentStep;
 				this._checkIflastStep(step);
 				this.currentStep = step;
 				var stepShownCallback = function(){if(triggerStepShown)$(this.element).trigger('step_shown', $.extend({"isBackNavigation" : backwards},this._state()));};
+
+                // Ron Gross
+                this._updateFormWizardClass();
+
 				this._animate(this.previousStep, step, stepShownCallback);
 			}
 		},