ul.dropdown-horizontal ul *.dir {
 padding-right: 15px;
 background-image: url(images/nav-arrow-right.png);
 background-position: 100% 50%;
 background-repeat: no-repeat;
}

ul.dropdown-upward *.dir {
 background-image: url(images/nav-arrow-top.png);
}

ul.dropdown-vertical *.dir,
ul.dropdown-upward ul *.dir {
 background-image: url(images/nav-arrow-right.png);
}

ul.dropdown-vertical-rtl *.dir {
 padding-right: 10px;
 padding-left: 15px;
 background-image: url(images/nav-arrow-left.png);
 background-position: 0 50%;
}