antd-theme-generator/node_modules/less/test/css/namespacing/namespacing-6.css

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

.rule-1 {
  width: 10px;
}
.rule-2 {
  width: 10px;
}
.rule-3 {
  width: 10px;
  height: 10px;
}