We are an open community of developers building resources for a better web, regardless of brand, browser or platform. Anyone can contribute and each person who does makes us stronger. Together we can continue to drive innovation on the Web to serve the greater good. It starts here, with you.
An Advanced Guide to HTML & CSS takes a deep look at front-end design and development, teaching the latest for any designer looking to round out their front-end skills.
The OPML Editor is an outliner, which is a text editor that allows you to control the level of detail that's visible, and allows you to reorganize text according to its structure. Outlines are just lists of lists, carried on to as many levels as you want. The grouping is arbitrary and totally up to you. The outliner has commands that make it easy to browse and reorganize structured information.