.el-tree-node{
  border-radius:4px;
}

.el-tree-node__content > .el-tree-node__expand-icon{
  padding: 6px 10px;
}
.el-tree-node__content > .el-checkbox{
  margin-right: 10px;
}

.samples-tree-edit {
  border: 1px dashed #ccc;
  padding: 10px;
  background: #f8f8f8;
}

.samples-tree-edit.el-tree{
  color:#ccc;
}
.custom-tree-node{
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  padding-right: 8px;
}

.samples-tree-edit-btn{
  display: none;
}

.samples-tree-edit .el-tree-node__content:hover {
  background-color: #fff;
  color: #a8a8a8;
}


.samples-tree-edit .el-tree-node__content:hover .samples-tree-edit-btn{
  display: inline-block;
}