Examine source code of patchofblue

{
  "theme": {
    "images": {
      "theme_frame": "blueflowers.jpg"
    },
    "colors": {
      "frame": "#108787",
      "tab_background_text": "#c44c0f"
    }
  },
  "version": "2.0",
  "name": "patchofblue",
  "manifest_version": 2,
  "description": "little blue flowers in a planter"
}