FLUID-4960: Added min height to the tabs which helps the overflow issue. Also moved the tab divider to the show/hide button which helps with the height of the divider. However there appears to still be issues when using Verdana and text size 2.
FLUID-4960: Added min-width value to the show/hide tab which helps fix the text size issue with verdana and other fonts.
FLUID-4960: Removed the fixed width for show/hide button in the CSS for the UIO demo. This way the button scales properly with text style and size.
Merge remote-tracking branch 'jhung/FLUID-4960' into demo

* jhung/FLUID-4960:
  FLUID-4960: Removed the fixed width for show/hide button in the CSS for the UIO demo. This way the button scales properly with text style and size.
  FLUID-4960: Added min-width value to the show/hide tab which helps fix the text size issue with verdana and other fonts.
  FLUID-4960: Added min height to the tabs which helps the overflow issue. Also moved the tab divider to the show/hide button which helps with the height of the divider. However there appears to still be issues when using Verdana and text size 2.