Examine source code of Loopy

{
  "name": "Loopy",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "transparent.png"
    },
    "colors": {
      "frame": "rgba(34, 34, 85, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(68, 68, 136, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(34, 34, 85, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 119, 170, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{32ab0fb8-2dad-44eb-9356-6db3e84d8896}"
    }
  }
}