Simple Gulp (browser-sync and gulp-watch for html/css changes)

gulpfile.js

// Super simple gulpfile just with browser-sync and gulp-watch

var gulp    = require('gulp');
var browserSync = require('browser-sync');
var watch = require('gulp-watch');

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

    watch(['./*.css', './*.html'], function() {
        browserSync.reload();
        console.log('HTML or CSS changed => Browser-Sync reload');
    });

    browserSync.init({
        server: {
            baseDir: "./"
        }
    });

})