Examine source code of Cloud Dreams

{
  "theme": {
    "images": {
      "theme_frame": "Cloudeous.jpg"
    },
    "colors": {
      "frame": "#1f293b",
      "tab_background_text": "#030829"
    }
  },
  "version": "2.0",
  "name": "Cloud Dreams",
  "manifest_version": 2,
  "description": "Do clouds have dreams? I think they must. do they gaze down and dream of us?"
}