.menu-tree-wrapper {
    display: inline-block;
}

.menu-tree-container {
    overflow-y: scroll;
    overflow-x: hidden;
    max-height: 150px;
    width: 250px;
    position: absolute;
    z-index: 2;
    background-color: white;
    -moz-box-shadow: 0 10px 20px #000000;
    -webkit-box-shadow: 0 10px 20px #000000;
    box-shadow: 0 10px 20px #000000;
}

.selector-input {
    width: 250px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555555;
    background-color: #ffffff;
    background-image: none;
    border: 1px solid #cccccc;
    border-radius: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
    -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
    -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}

.menu-tree-wrapper .tree-view {
    padding: 10px 0 0 0;
    min-height: 150px;
}