Examine source code of strawberry pavlova

{
  "name": "pavlova",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "strawberry.png"
    },
    "colors": {
      "frame": "rgba(212, 45, 101, 1)",
      "tab_background_text": "rgba(143, 2, 2, 1)",
      "toolbar_field": "rgba(255, 224, 224, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{350db8a0-b6e4-4516-bb0f-d0702b5ce802}"
    }
  }
}