code: function css(prefix) {
  	var stream;
  	if (prefix === 'bootstrap') {
  		stream = gulp.src('src/clockpicker.css');
  	} else {
  		// Concat with some styles picked from bootstrap
  		stream = gulp.src(['src/standalone.css', 'src/clockpicker.css'])
  			.pipe(concat('clockpicker.css'));
  	}
  	stream.pipe(rename({
  			prefix: prefix + '-'
  		}))
  		.pipe(replace(versionRegExp, version))
  		.pipe(gulp.dest('dist'))
  		.pipe(minifyCSS({
  			keepSpecialComments: 1
  		}))
  		.pipe(rename({
  			suffix: '.min'
  		}))
  		.pipe(gulp.dest('dist'));
  }
docs: Rename, concat and minify stylesheets