Examine source code of Atari 2 Original

{
  "theme": {
    "images": {
      "theme_frame": "BrowserHeaderAtari2.jpg"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Atari 2 Original",
  "manifest_version": 2,
  "description": "I created this persona using a grey and black gradiant and the Atari logo with a feather bevel and a a red outline of the logo"
}