html body .mobile_nav ul#mobile_menu .sub-menu {
    } 

html body .mobile_nav ul#mobile_menu {
    } 


@media screen and (max-width: 480px)  { html body .mobile_nav ul#mobile_menu .sub-menu {   list-style-type: none; }  }  
@media screen and (max-width: 480px)  { html body .mobile_nav ul#mobile_menu {   list-style-type: none; }  }