Examine source code of Pamplemousse

{
  "name": "Pamplemousse",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "icon.png"
    },
    "colors": {
      "frame": "rgba(251, 150, 207, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(250, 111, 64, 1)",
      "toolbar_field": "rgba(251, 151, 117, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6f337d50-02af-4541-8892-1742931a6f3a}"
    }
  }
}