Save CSS changes after page reload (Chrome)
Save your CCS changes with "show override" included in the Chrome DevTools.
Press Control+Shift+P or Command+Shift+P (Mac) to show Chrome’s dev tools command menu.
Type “show overrides”, press "Select folder for overrides" and allow acces to that particular folder.
Make some changes, reload the page and changes made earlier are still saved. click the back arrow to revert all changes.(2)
Changes that are made could be found in "Sources" tab. File could be saved locally to your disk.