CodePen, one of the most influential code-sharing communities on the Internet, has just unveiled its new redesign, the first major one of its three-year existence. This redesign has been a long project for the site, as it’s been underway for the last half year. Web design firm Sparkbox has been a collaborator on this project as well. As expected, the new iteration of CodePen is a site that features marked changes, but, even so, this is only the tip of the iceberg. What you’re seeing now is actually...