.dropdown-menu {
    left: 0px;
}

.dropdown-menu.pull-right {
    right: auto;
    left: 0px;
}


.input-group .treeview span.icon {
    visibility: hidden;
}

.input-group > input {
    background: url("../images/pull-down.png") no-repeat right 5px center;
    background: url("../images/pull-down.png") no-repeat 95% 50%\0;
}


.input-group .treeview span.icon {
    visibility: visible;
    height: 20px;
}
.input-group .treeview span.node-icon {
    display: none;
}
.mask{
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
}