Examine source code of Ink Birds

{
  "name": "Ink Birds",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "2.jpg"
    },
    "colors": {
      "frame": "rgba(184, 236, 255, 1)",
      "tab_background_text": "#290404",
      "toolbar": "rgba(184, 236, 255, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(184, 235, 255, 0.15)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{790aa602-cfad-4fa5-870c-81e754d683d8}"
    }
  }
}