CSS: Enter CSS to be applied to the HTML used in your tests. It is placed between <style> elements in the header portion of the page. HTML: This area allows you to enter HTML to be used in your tests.

What are the best programming languages to learn if you’re just starting out? Use our guide to get familiar with seven good languages for beginning coders.

This definition explains the meaning of CSS (cascading style sheets) and how using them with HTML pages is a user interface (UI) development best practice that complies with the separation of concerns ...