antd-theme-generator/node_modules/less/test/less-bom/namespacing/imports/a-better-bootstrap.less

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

#theme() {
  .light() {} //...
  .dark() {
    // ...
    .navbar() {
      .colors() {
        primary: blue;
        secondary: lightblue;
      }
    }
    // ...
  }
}