Add resource by:
- URL from the web – this will embed the specific URL in your fiddle.
- CDNJS – just start typing a library name and an autocompelete will suggest libraries you and insert:
If you want to use a dynamic resource please add a dummy GET variable i.e.
http://example.com/dynamically.php?somevar=somevalue&dummy=.css. This will tell JSFiddle to recognize it as a CSS resource.