Examine source code of Retro Daisies

{
  "theme": {
    "images": {
      "theme_frame": "RetroDaisies.PNG"
    },
    "colors": {
      "frame": "#0d0b0b",
      "tab_background_text": "#eb8e55"
    }
  },
  "version": "2.0",
  "name": "Retro Daisies",
  "manifest_version": 2,
  "description": "Fun, sunny, retro 70's daisy wall paper pattern."
}