This page is currently inactive and is retained for historical reference. Either the page is no longer relevant or consensus on its purpose has become unclear. To revive discussion, seek broader input via a forum such as the village pump.This is Outdated content.
This page in a nutshell: Article message boxes have a standard design and colours. They use CSS and a meta template to achieve this.
There is a standard and consistent design for article message boxes — templates which are inserted into articles/sections, and identify problems or issues with the article. The design was standardized and implemented in September 2007.