twitter/bootstrap — Issue #1207: min-width on fluid-content
Author: samsamm777
Created: 2012-01-25 17:24:27+00:00
State: open

It would appear that the min-width on the fluid-content is being set to 940px. So if you have a sidebar, the min width is now 940px + with the width of the sidebar. This means the min width of your site is always going to be wider than the min width of your nav bar at the top.