 
   grunt.registerTask 'build', [
     'svgmin'
-    # 'imageoptim'
     'stylus'
-    # 'coffee'
     'concat'
     'uglify:prod'
   ]

      stylus:
        options:
          livereload: false
        files: ['css/*.styl']
        tasks: ['stylus']
      concat:
        options:
          livereload: false
        files: ['js/*.js']
        tasks: ['concat:dev']
      css:
        files: ['css/*.css']
      js:
        files: ['js/*.js']
      html:
        files: ['*.html']


            'css/main.styl'
          ]

    concat:
      dev:
        files:
