Now if your thinking about automating your workflow or you want to get the best out of your web design project then maybe think about using a task runner like Gulp. Gulp can minify all of your CSS, JS and compile it all into one single file for you.
Also you can think about using it with automating some tests before or whilst deploying to your server. Gulp can be used for many things and if you want to have a read further into this then i found this article below really handy.
Have fun and feel free to email me if you have any questions. Enjoy coding