How to add arrow icon in submenu

Please copy following code and paste your css file –

.nav-menu .sub-menu li.menu-item-has-children a {background:url(images/nav_bg.png) 97% center no-repeat;}

.nav-menu .sub-menu li.menu-item-has-children .sub-menu li a {

background:none; }

Please change the class name with your class name and image name with your image name.

cheers -:)