.ant-select-dropdown.app-orgselect__dropdown-class {
  .ant-select-tree-treenode-checkbox-checked{
    background-color: mix(@primary-color, #fff, 80%);
    transition: all 0.7s;
    .ant-select-tree-node-content-wrapper:hover{
      background-color: transparent;
    }
  }
  .ant-select-tree-node-selected {
    background-color: transparent;
  }
}