Merge pull request #12861 from twbs/docs-csscomb

Add docs.css in the CSSComb task.

Gruntfile.js

@@ -237,6 +237,11 @@ module.exports = function (grunt) {
         cwd: 'docs/examples/',
         src: ['**/*.css'],
         dest: 'docs/examples/'
+      },
+      docs: {
+        files: {
+          'docs/assets/css/docs.css': 'docs/assets/css/docs.css'
+        }
       }
     },
 
@@ -389,7 +394,7 @@ module.exports = function (grunt) {
   grunt.registerTask('dist-js', ['concat', 'uglify']);
 
   // CSS distribution task.
-  grunt.registerTask('dist-css', ['less', 'cssmin', 'csscomb', 'usebanner']);
+  grunt.registerTask('dist-css', ['less', 'csscomb', 'cssmin', 'usebanner']);
 
   // Docs distribution task.
   grunt.registerTask('dist-docs', 'copy:docs');