gulp.task('css', function () { gulp.src('./app/assets/styles/main.scss') .pipe(plumber()) .pipe(cssGlobbing({ extensions: ['.scss', '.css', '.sass'] })) .pipe(sourcemaps.init()) .pipe(sass.sync().on('error', function (error) { console.log(error); })) .pipe(autoprefixer({ browsers: ['not ie <= 8'], cascade: false })) .pipe(concat('main.css')) .pipe(cmq()) .pipe(minifyCSS()) .pipe(rename({suffix: '.min'})) .pipe(sourcemaps.write('.')) .pipe(gulp.dest('./build/assets/css')); });