Seriuos concern with the CACHE and COOKIES

facing a serious issue with cache or cookie each time i do changes in the css files it gets undone after sometime annoyed of rewriting CSS’s
using a joomla 3.x template pleaes help me as iam a stuck in a serious concern Uploading: generalcedebline1.jpg…

Depending on the site I’m working on, it can help to disable caching on the origin server and place Cloudflare in to Development mode. Also, depending on the server configuration it can help to purge the caches but it all depends on your config.