Examine source code of Coffee - beans

{
  "theme": {
    "images": {
      "theme_frame": "Coffee.jpg"
    },
    "colors": {
      "frame": "#a3faaa",
      "tab_background_text": "#aff5f7"
    }
  },
  "version": "2.0",
  "name": "Coffee - beans",
  "manifest_version": 2
}