Issue 4683: Font preview on mouseover

Steps to reproduce

  1. Open Firebug
  2. Switch to the CSS panel
  3. Select issue4683.html from the Location Menu
  4. Hover the value of the font-family property of the rule with the selector #fontFamilyTest1
    ⇒ A tooltip must appear showing a sample text using the Verdana font
  5. Hover the value of the font-family property of the rule with the selector #fontFamilyTest2
    ⇒ A tooltip must appear showing a sample text using the Courier New font

Expected Result