I am not sure if that concerns campsite but is there any DB cache for the css ? Cos any changes in my css does not reflect to my site. I tried already to delete browser cache and the campsite templates_cache and even to restart my system but it does not work.
Yes I found this but this is not a campsite problem.
You probably did the same mistake as I did. You exported the online mysql DB to your local DB.
In this case you didn't changed Default Site Alias from the publications in your local DB and the campsite engine in this case, includes all jscript and css files from your online mirror site and not from your local copy.