Examine source code of Island Sunrise

{
  "name": "Island Sunrise",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "IslandSunrise2.jpg"
    },
    "colors": {
      "frame": "rgba(38, 29, 1, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(41, 32, 1, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(41, 32, 1, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{40882fc1-a55d-4151-a35d-a95071bcae8b}"
    }
  }
}