Examine source code of Shark Posse

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Shark Posse",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(114, 209, 250)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(53, 244, 246)",
      "toolbar_field": "rgb(0, 12, 11)",
      "toolbar_field_text": "rgb(0, 252, 255)",
      "tab_line": "rgb(78, 144, 139)",
      "popup": "rgb(4, 54, 40)",
      "popup_text": "rgb(134, 218, 255)",
      "tab_loading": "rgb(78, 144, 139)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba0285b8-aa0f-4ccf-a8a9-bcaff4c948c1}"
    }
  }
}