Examine source code of Pancakes

{
  "name": "Pancakes",
  "manifest_version": 2,
  "version": "2.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(212, 212, 212, 1)",
      "tab_background_text": "#000000",
      "toolbar": "rgba(255, 255, 255, 0.13)",
      "toolbar_field": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eab8363f-aa09-415f-82a5-f658d24fabfd}"
    }
  }
}