Back/Forward Dropdown Menus is another little CSS hack created by request of BobFox. It removes the main Back and Forward buttons and styles their dropdown arrows to look like them. The net effect is that clicking the Back or Forward button shows a history list rather than navigating immediately.
It's not a good idea to use this extension with Back/Forward Dropdown Remover; combined, they annihilate all of the buttons' useful parts.
Known issue in version 0.1: the buttons' tooltips still include