Hovering over exception header causes a 1px shift
Hovering over exception header causes a 1px shift

When hovering over the exception header, the exception 
message shifts up by one pixel.
AndyLampert/better_errors,DannyBen/better_errors,askl56/better_errors,AndyLampert/better_errors,elkingtonmcb/better_errors,DannyBen/better_errors,18Months/better_errors,neomadara/better_errors,neomadara/better_errors,charliesome/better_errors,charliesome/better_errors,18Months/better_errors,askl56/better_errors,elkingtonmcb/better_errors,sideci-sample/sideci-sample-better_errors