Another fix. Ready to be merged
removed the static image
Changed the throttle settings canvas to be transparant

Now the background is transparent (you can override this in CSS if
needed
Foreground color is white (but can ve overriden)
reduced the top offset
Merge remote-tracking branch 'upstream/ArduinoDue' into ArduinoDue
Made throttle settings canvas page width and resizable
Merge pull request #47 from cgalpin/ArduinoDue

Changed the throttle settings canvas to be transparent