ul.dropdown, ul.dropdown li, ul.dropdown ul {
    list-style: none; margin: 0; padding: 0;
}
ul.dropdown {
    position: relative; z-index: 597;
}
ul.dropdown li {
    float: right; line-height: 1.3em; vertical-align: middle;
}
ul.dropdown li.hover, ul.dropdown li:hover {
    position: relative; z-index: 599; cursor: default;
}
ul.dropdown ul {
    visibility: hidden; position: absolute; top: 100%; right: 0; z-index: 598; width: 100%;
}
ul.dropdown ul li {
    float: none;
}
ul.dropdown ul ul {
    top: 1px; left: 99%;
}
ul.dropdown li:hover ul {
    visibility: visible;
}
ul.dropdown li.rtl ul {
    top: 100%; left: 0; right: auto;
}
ul.dropdown li.rtl ul ul {
    top: 1px; left: 99%; right: auto;
}