I have come across quite a number of articles that indicate I need to explicitly bundle each jQueryUI .css file, e.g. the accepted answer to How to add jQueryUI library in MVC 5 project?. Yet when I look at the .css files in the Content/themes/base folder created by Nuget, I see the file all.css, which effectively includes all the other files.
It seems much simpler to me to just bundle the all.css file, but I'm wondering whether the css @import directives used in this file will still work as expected in a script bundle.