/**
  * Returns list of border styles
  *
  * @return array
  */
 public static function get_border_styles()
 {
     if (!isset(self::$border_style)) {
         self::$border_style = array(array('value' => '', 'name' => ''), array('value' => 'solid', 'name' => __('Solid', 'themify')), array('value' => 'dashed', 'name' => __('Dashed', 'themify')), array('value' => 'dotted', 'name' => __('Dotted', 'themify')), array('value' => 'double', 'name' => __('Double', 'themify')));
     }
     return self::$border_style;
 }