.dropdown-tree > ul {
    overflow-y: auto;
    overflow-x: hidden;
    white-space: nowrap;
}

.dropdown-tree li {
    list-style: none
}

.dropdown-tree ul {
    margin-left: 20px;
}

.dropdown-tree li > i {
    margin-left: 10px;
    width: 20px;
    height: 20px;
    text-align: center;
    position: relative;
    z-index: 1;
    font-size: 20px;
    top: 3px;
}

/*.dropdown-tree li:hover {
    background: #eee;
}

    .dropdown-tree li:hover ul {
        background: white;
    }

        .dropdown-tree li:hover ul li:hover {
            background: #eee;
        }*/

.dropdown-tree a {
    display: inline-block !important;
    padding: 3px 20px;
    clear: both;
    font-weight: 400;
    line-height: 1.42857143;
    color: #333;
    white-space: nowrap;
    text-decoration: none;
    background: transparent !important;
    position: relative;
}

.dropdown-tree .arrow {
    position: absolute;
    margin-left: -15px;
    top: 50%;
    transform: translateY(-50%);
}
/*RTL CSS*/
.rtl-dropdown-tree {
    direction: rtl !important
}

    .rtl-dropdown-tree > ul {
        right: 0;
        left: unset;
        text-align: right
    }

    .rtl-dropdown-tree .arrow {
        right: 6px
    }

    .rtl-dropdown-tree li > i {
        margin-left: 0;
        margin-right: 10px;
    }