.el-tree{
  cursor: default;
  background: transparent;
  border: none;
  color: #a5a8ad;
}

.el-tree__empty-block{
  position: relative;
  min-height: 60px;
  text-align: center;
  width: 100%;
  height: 100%;
}

.el-tree__empty-text{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: rgb(94, 115, 130);
}

.el-tree-node{
  white-space: nowrap;
}

.el-tree-node > .el-tree-node__children{
  overflow: hidden;
  background-color: transparent;
}

.el-tree-node.is-expanded > .el-tree-node__children{
  display: block;
}

.el-tree-node__content{
  line-height: 36px;
  height: 36px;
  cursor: pointer;
}

.el-tree-node__content > .el-checkbox, .el-tree-node__content > .el-tree-node__expand-icon{
  margin-right: 8px;
}

.el-tree-node__content > .el-checkbox{
  vertical-align: middle;
}

.el-tree-node__content:hover{
  background: #1b90ab;
  color: #fff;
}

.el-tree-node__expand-icon{
  display: inline-block;
  cursor: pointer;
  width: 0;
  height: 0;
  vertical-align: middle;
  margin-left: 10px;
  border: 6px solid transparent;
  border-right-width: 0;
  border-left-color: rgb(151, 168, 190);
  border-left-width: 7px;
  transform: rotate(0deg);
  transition: transform 0.3s ease-in-out;
}

.el-tree-node__expand-icon:hover{
  border-left-color: #fff;
}

.el-tree-node__expand-icon.expanded{
  transform: rotate(90deg);
}

.el-tree-node__expand-icon.is-leaf{
  border-color: transparent;
  cursor: default;
}

.el-tree-node__label{
  font-size: 14px;
  vertical-align: middle;
  display: inline-block;
}

.el-tree-node__loading-icon{
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
  font-size: 14px;
  color: rgb(151, 168, 190);
}

.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
  background-color: #1b90ab;
  color: #fff;
}

.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content > .el-tree-node__expand-icon {
  border-left-color: #fff;
}