Examine source code of Poker Player

{
  "name": "Poker Player",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "po2.jpg"
    },
    "colors": {
      "frame": "rgba(245, 117, 119, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(240, 14, 14, 1)",
      "bookmark_text": "rgba(10, 9, 9, 1)",
      "toolbar_field": "rgba(191, 178, 178, 1)",
      "toolbar_field_text": "rgba(15, 14, 14, 1)",
      "tab_line": "rgba(245, 240, 240, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7718e398-ce68-4ec1-9cc1-2daac4dabadb}"
    }
  }
}