[Bug web/54973] [bugzilla] make "Before reporting a bug" notice more prominent

[LpSolit at netscape dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54973

--- Comment #4 from Frédéric Buclin <LpSolit at netscape dot net> 2012-10-18 
13:37:50 UTC ---
If everybody is happy with this mockup, I can push it live later today. Does it
need any formal approval?