.edit-and-sort {
  height: 100%;
  .ant-card-body {
    height: calc(100% - 64px);
    overflow: auto;
  }
  .tree-item-wrap {
    .tree-item-btn{
      margin-left: 20px;
      display: none;
      i { 
        margin-right: 10px;
      }
    }
    &:hover .tree-item-btn{
      display: inline-block;
    }
  }
}