This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...
If you work on something a little bit every day, you end up with something that is massive. Kenneth Goldsmith
Random CSS Property
:defined
The :defined CSS pseudo-class represents any element that has been defined. This includes any standard element built in to the browser, and custom elements that have been successfully defined (i.e. with the CustomElementRegistry.define() method). :defined css reference
