Examine source code of Another bird in hand

{
  "theme": {
    "images": {
      "theme_frame": "birdinhandheader.jpg"
    },
    "colors": {
      "frame": "#fcf9f9",
      "tab_background_text": "#18eb09"
    }
  },
  "version": "2.0",
  "name": "Another bird in hand",
  "manifest_version": 2,
  "description": "My little chickadee in hand"
}