element tree组件的选中样式

.el-tree-node__content {
      &:hover {
        background: #89c2f7;
      }
    }
    .el-tree-node:focus>.el-tree-node__content{
      background-color: #5daaf0;
    }

element nume的选中样式

.el-menu-item.is-active {
background-color: rgb(201, 188, 80) !important;
}