Examine source code of Pretty Daisies

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0b0d07",
      "tab_background_text": "#ecffdb"
    }
  },
  "version": "2.0",
  "name": "Pretty Daisies",
  "manifest_version": 2,
  "description": "daisy, flowers, pretty, lovely, vintage, sweet, photo, nature, scenery, plants, greenery, white, petals, lovely, beautiful, flowery"
}