.mod-categoryNav ul li{padding:0;}
.mod-categoryNav ul li.ex-disableSmallScreen {padding:0 2px 0 0;}
.mod-categoryNav ul li.ex-Select {padding:0 0 0 2px;}

@media (max-width:640px) {
.mod-categoryNav ul li,
.mod-categoryNav ul li.ex-disableSmallScreen,
.mod-categoryNav ul li.ex-Select  {
    padding: 0 0 10px 18px;
}
}