this gist guides how to adds a scrollbar to the following addon: (or any other css patching in firefox) https://addons.mozilla.org/en-US/firefox/addon/restclient/
- go to
about:support
on firefox - choose
Show Folder
- look for
chrome
folder, if it is not exist, add folder and call itchrome
- inside
chrome
folder, look foruserContent.css
add these lines or create file with this name and paste there:
.dropdown-menu.savedRequest{