Set the CSS class for JForm field label

libraries/joomla/form/field.php

@@ -165,6 +165,14 @@ abstract class JFormField
 	 */
 	protected $value;
 
+	/**
+	 * The label's CSS class of the form field
+	 *
+	 * @var    mixed
+	 * @since  11.1
+	 */
+	protected $labelClass;
+
 	/**
 	 * The count value for generated name field
 	 *
@@ -236,6 +244,7 @@ public function __get($name)
 			case 'type':
 			case 'validate':
 			case 'value':
+			case 'labelClass':
 			case 'fieldname':
 			case 'group':
 				return $this->$name;
@@ -371,6 +380,9 @@ public function setup(SimpleXMLElement $element, $value, $group = null)
 		// Set the field default value.
 		$this->value = $value;
 
+        // Set the CSS class of field label
+        $this->labelClass = (string) $element['labelclass'];
+
 		return true;
 	}
 
@@ -483,6 +495,7 @@ protected function getLabel()
 		// Build the class for the label.
 		$class = !empty($this->description) ? 'hasTip' : '';
 		$class = $this->required == true ? $class . ' required' : $class;
+        $class = !empty($this->labelClass) ? $class . ' ' . $this->labelClass : $class;
 
 		// Add the opening label tag and main attributes attributes.
 		$label .= '<label id="' . $this->id . '-lbl" for="' . $this->id . '" class="' . $class . '"';