gulp-stylus + autoprefixer-stylus

gulpfile.js

var gulp = require('gulp');
var stylus = require('gulp-stylus');

var autoprefixer = require('autoprefixer-stylus');
gulp.task('stylus', function () {
	return gulp.src('./styl/style.styl')
		.pipe(stylus({
			use: [autoprefixer('iOS >= 7', 'last 1 Chrome version')]
		}))
		.pipe(gulp.dest('./css'))
});