text: const { injectBabelPlugin } = require('react-app-rewired');
  const rewireLess = require('react-app-rewire-less');
  
  module.exports = function override(config, env) {
      config = injectBabelPlugin(['import', { libraryName: 'antd', style: true }], config);  // change importing css to less
      config = rewireLess.withLoaderOptions({
               modifyVars: {
                   "@primary-color": "#0594cb",
                   "@body-background": "#f9f9f9",
                   "@layout-body-background": "#f9f9f9"
               },
      })(config, env);
      return config;
  };