Examine source code of lambs in the clouds

{
  "theme": {
    "images": {
      "theme_frame": "lambsintheclouds.png"
    },
    "colors": {
      "frame": "#d0dcfa",
      "tab_background_text": "#54519c"
    }
  },
  "version": "2.0",
  "name": "lambs in the clouds",
  "manifest_version": 2,
  "description": "lamb agneau sheep mouton sky ciel clouds nuages"
}