civicrm/civicrm-core — pull request #556 by agh1 (2013-04-29 00:02:48+00:00)
Title: give errors and alerts slightly more attention

Users are getting used to ignoring pop-up messages, since most are success confirmations. I've put together a couple of CSS adjustments to add a red border and tint to the error popups and a orange border and tint to the alert popups. These should help those messages stand out a little better.