element-plus-tree-line/dist/style.css

修改了 [*element-tree-line*](github.com/GitOfZGT/element-tree-line) 的内容，因为其在Vue3的项目中使用有警告，因此做了修改。

.el-tree .el-tree-node__content {
  position: relative;
}

.element-tree-node-label-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
}

.element-tree-node-label {
  font-size: 12px;
}

.element-tree-node-line-ver {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-left: 1px dashed #dcdfe6;
}
.element-tree-node-line-ver.last-node-line {
  border-left: 1px dashed transparent;
}
.element-tree-node-line-ver.last-node-isLeaf-line {
  height: 50%;
}

.element-tree-node-line-hor {
  display: block;
  position: absolute;
  top: 50%;
  left: 0;
  height: 0;
  border-bottom: 1px dashed #dcdfe6;
}

.element-tree-node-label-line {
  flex: 1;
  border-top: 1px dashed #dcdfe6;
  align-self: center;
  margin: 0 10px;
}