I'm new to the whole ASP.NET MVC business, and I'm having the weirdest problem. I've been working on a project (MVC3, Razor engine) for the past few days, and yesterday I backed up my project by duplicating its folder. I opened the duplicated project and started working, but I noticed something weird. none of the changes I was making in a CSS file appeared anywhere. I tried changing all sorts of things in it, deleting its content and **even deleting the whole file!** nothing works. no change. After deleting the whole CSS file from my project, I tried making some changes in the .cshtml file and it does change when I debug the project.
What can be the cause of this?
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