.productLibrary .tree[data-v-a3b649c0] {
  border: 1px #e8eaec solid;
  padding-left: 2%;
  margin-left: 2%;
  overflow-y: auto;
  overflow-x: auto;
}

.treeitem:hover .btn {
  display: inline-block;
}
.treeitem .btn {
  display: none;
  float: right;
  z-index: 99999;
}
.treeitem .ivu-tree-title .ivu-tree-title-selected {
  width: 100px !important;
}