* html ("Star HTML") CSS Hack

If the background color of this paragraph is green (a darker green than this page's background) then the hack was applied.

Example Code

p.test {
  background-color: #f66;
}

* html p.test {
  background-color: #6f6;
}

List of browsers that apply this

• IE4-6/Win
• IE4-5/Mac
• IE7+, when in backwards compatibility mode (aka quirks mode)

List of browsers that do not apply this

• IE7+, when in Standards Compatibility mode
• Firefox
• NS6.0-7.2
• NS4.x
• Opera 5+ (I don't know about versions 1 through 4.)
• Safari
• Konqueror 3
• iCab 3