CodePen is an online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets.

Founder(s): Alex Vazquez, Tim Sabat, Chris Coyier

Date launched: 2012

Users: 330,000+

Please visit https://www.codepen.io

Click 'Sign Up' at top right corner.

Click create on the top right.

Select 'pen', or 'post'.

Thank me later.