.dropdown-tree > ul{overflow-y: auto;overflow-x: hidden;white-space: nowrap;}
.dropdown-tree li{list-style: none}
.dropdown-tree li > i {margin-left: 10px;}
.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%);}
.dropdown-tree .btn-default { min-width: 280px; }
.btn-default .caret {
    float: right;
    margin-top: 6px;
}
.dropdown-tree .dropdown-menu { min-width: 280px; }

/*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;}

.fa-square {
    color: #D0D5DD;
}
    .fa-square:before, .fa-check-square:before {
        font-size: 16px;
    }

.dropdown-menu li a {
    padding: 3px 12px;
}

.dropdown-menu li {
    display: flex;
    align-items: center;
}