Wrttn.me is a notepad for the web that you can embed on any page and style with custom CSS. The embed code is just a little JavaScript that displays the text in your notepad. This: Becomes this: Wrttn ...

Dabblet, created by Lea Verou, is an “interactive playground” for trying out snippets of CSS and HTML code. It uses -prefix-free, so that you won’t have to add any prefixes in your CSS code, and you ...