Gulp Stylus setting

var gulp         = require('gulp'),
	stylus       = require('gulp-stylus'),
	nib          = require('nib'),
	autoprefixer = require('gulp-autoprefixer'),
	csscomb      = require('gulp-csscomb');

gulp.task('styles', function() {

	gulp.src('./stylus/*.styl')
		.pipe(stylus({ use: [nib()] }))
		.pipe(csscomb()) // Plugin https://www.npmjs.com/package/gulp-csscomb
		.pipe(autoprefixer({
			browsers: ['> 1%', 'last 2 versions', 'Firefox ESR', 'ie 8-11'], 

		})) // Plugin https://www.npmjs.com/package/gulp-autoprefixer
		.pipe(gulp.dest('./css'))
		
});

// Watch stylus
gulp.task('watch', function() {
	gulp.watch('*/**.styl', ['styles']);
});

gulp.task('default', ['watch']);