https://blog.iansinnott.com/super-birthday-post/
https://www.npmjs.com/package/livereload
https://aaronlasseigne.com/2016/02/03/using-gulp-with-jekyll/
http://paulsalaets.com/posts/injecting-styles-in-page-with-browser-sync
http://vicerveza.homeunix.net/~viric/soft/ts/article_linux_com.html
https://blog.iansinnott.com/super-birthday-post/
https://www.npmjs.com/package/livereload
npm init
npm install gulp-cli -g npm install gulp -D
npm install gulp npm install gulp-util npm install gulp-sass npm install gulp-autoprefixer npm install gulp-minify-css npm install gulp-rename npm install gulp-exec npm install gulp-livereload npm install tiny-lr
npm install livereload