Rated 5 out of 5 stars

A very well written and user friendly extension. Thanks. Until It's fixed, the dropmarker (dropdown arrow} can be removed by adding the string below to your profile's userChrome.css file found in the chrome folder. If it's not there create it and the folder it needs to be in and add to the css file the initiating string;
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
Then add the fix;
#cookiesafe-button dropmarker { display: none !important;}

And wahla - the quick patch till update.

This review is for a previous version of the add-on (