vue --- el-menu-item change the navigation menu bar to select the background color

Modify the background color of the navigation bar when the element is selected, you can set .el-menu-item.is-active selector background-color style attribute [] using! Important so that the greatest priority. as follows:

.el-menu-item.is-active {
      background-color: #3370ff !important;
      color: #fff;
      span {
        color: #fff !important;
      }
    }