That means the Team can do things like upload Assets, use features like Collab Mode, Professor Mode, Presentation Mode, and Live View, and apply custom CSS to Posts, Profiles, and Embeds.

Something I made a LONG time ago and thought was worth putting here....

Edit and preview HTML code online with this interactive editor on CodePen.

Styling the <h1> element using CSS on an ID. See the full tutorial on [HTML Color Codes] ("http://htmlcolorcodes.com/tutorials/css-text-color/")...

Write HTML Markdown, Haml, Slim, or Pug. Write CSS in Sass, Less, Stylus, or PostCSS. Those are just some of the preprocessor syntaxes you can use on CodePen. We want you to feel comfortable …

HTML HTML Options CSS ! JS JS Options 999px ...

Simply drag-and-drop CSS, JS, or preprocessor versions of those files onto the Assets area and they will upload. Then click the file name to get the URL and copy-and-paste it into external resources.

Online Python IDE, editor, compiler, and interpreter on CodePen.

To add a preprocessor to your Pen, click the settings “gear” icon at the top of the CSS editor panel. The Pen Settings will open with the CSS tab automatically selected.

You can apply CSS to your Pen from any stylesheet on the web. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself.