Validating opacity css
In practice: my html code is: Blog | Twitter Useful links: W3C HTML Validator | W3C CSS Validator | HTML 5 Guide CF: HTML & CSS Resources/Tutorials Thread | HTML & CSS Posting Rules and Guidelines Remember: no link, no code, no help!
For the registration section, we’re going to wrap everything with a div that has an ID register and a class form-display and class hide. And then, again, we will wrap each item with a class of item and use semantics for specific fields.
If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.