Every developer has been in the situation where you have code or a design that you need to ... to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser.

How do I learn to code in HTML and CSS on my Mac? Web design is one of the most useful skills you can learn, and it’s easy to learn HTML and CSS (the two main pillars of web pages) in Mac OS X.

This is the foundation of building a website frontend/UI using HTML and CSS.” Check out Lynch and Burgin on Instagram for more UX design and coding tips: @codex125 and @corey_corisma, or their podcast ...