:host{
// this is scss
.app-tree-selection {
    height: 45px;
    overflow: auto;
    border-top: 1px solid #e8e8e8;
    width: 100%;
}

.app-tree-list {
    height: 100%;
    width: 100%;
    padding: 0px 5px;

    .app-tree-item {
        height: 60px;
        width: 100%;
        padding: 15px 5px;
        text-align: center;
        background: #fff;
        border-bottom: 3px solid #e8e8e8;
        font-size: 16px;
    }
}
}