antd-theme-generator/node_modules/less/test/css/math/strict/media-math.css

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

@media (min-width: 16 + 1) {
  .foo {
    bar: 1;
  }
}
@media (min-width: 16 / 9) {
  .foo {
    bar: 1;
  }
}