Add arrow to menu items with sub-items in Beaver Builder theme

style.css

/**
 * Add arrow to menu items with sub-items in Beaver Builder theme
 *
 * @author Davinder Singh Kainth
 * @link http://probeaver.com/?p=726
 *
 */
 
.nav li > a:after {
  color: inherit;
  content: "\f107";
  font-family: FontAwesome; 	
  margin-left: 3px;
  float: right;
  vertical-align: middle;
}

.nav li > a:only-child:after {
  content: '';
}