Examine source code of christmas tree

{
  "theme": {
    "images": {
      "theme_frame": "christmas.jpg"
    },
    "colors": {
      "frame": "#fa0505",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "christmas tree",
  "manifest_version": 2,
  "description": "decorate with lights and a tree!"
}