mozilla/bedrock — pull request #412 by craigcook (2012-10-10 23:11:46+00:00)
Title: Bug 737257 - fix masthead width to prevent scrolling

As mentioned in https://bugzilla.mozilla.org/show_bug.cgi?id=737257#c19 the iframe is a bit narrower than the fixed masthead width. Changing the width to 100% eliminates the horizontal scrolling.