Examine source code of Delightful Peacock

{
  "theme": {
    "images": {
      "theme_frame": "PeacockDelightFooter_d4la-cpc.jpg"
    },
    "colors": {
      "frame": "#0641b0",
      "tab_background_text": "#3fb80b"
    }
  },
  "version": "2.0",
  "name": "Delightful Peacock",
  "manifest_version": 2,
  "description": "For those who like peacocks"
}