The Addon HidingBar supersedes MBB on all aspects and is continually updated. 

https://www.curseforge.com/wow/addons/hidingbar

MBB reduces minimap buttons and makes them accessible through a pop out menu. Click the MBB button to expand the menu and display the buttons. Each button that is collapsed into the menu can be reattached to the minimap with Ctrl + Right Click. The MBB button can also be detached from minimap with Ctrl + Right Click.

Hot Key

• Ctrl + Right Click - detach / reattach a minimap button

Slash Commands

• /mbb - shows the MBB commands
• /mbb buttons - shows a list of all rfames in the MBB bar
• /mbb reset position - resets the position of the MBB button
• /mbb reset all - resets the MBB settings

Source Code and Issue Tracking

https://github.com/vallantv/MBB