Examine source code of Transparent Test 1

{
  "theme": {
    "images": {
      "theme_frame": "PersonasTransparentHeader.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Transparent Test 1",
  "manifest_version": 2,
  "description": "This is for testing in FireFox 4 to see what happens with a transparent header and footer."
}