Issue 1189: Display errors of inherited CSS styles in combination with CSS shorthand properties

Shorthand property overwriting other shorthand property

Steps to reproduce

  1. Open Firebug
  2. Switch to the HTML panel and there to the Style side panel
  3. Inspect the blue <div> (#div1) above

Expected result

Shorthand property overwriting single-value property

Steps to reproduce

  1. Open Firebug
  2. Switch to the HTML panel and there to the Style side panel
  3. Inspect the green <div> (#div2) above

Expected result