r? ianbicking Change the frame background to gray; use box-shadow Fixes #155
r? ianbicking Change the frame background to gray; use box-shadow Fixes #155

mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/screenshots,fzzzy/pageshot,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,fzzzy/pageshot