Examine source code of Hot Like that

{
  "theme": {
    "images": {
      "theme_frame": "Hot_like_that.jpg"
    },
    "colors": {
      "frame": "#992600",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Hot Like that",
  "manifest_version": 2,
  "description": "Hot pepper on a gradient background"
}