Elementor page saves fine, but the frontend styling doesn't change at all?

This issue is mostly related to the cache or CSS files not being regenerated. You can perform a "Regenerate Files and Data" in the Elementor tool and then clear the site cache. Also check if optimization options such as CSS merge, delayed loading, etc. are enabled. If you are using a CDN, you should also make sure that CSS files are cached. This issue may also be triggered after a template or theme update.