Examine source code of Spot Dot Dot

{
  "theme": {
    "images": {
      "theme_frame": "PinkSpot.jpg"
    },
    "colors": {
      "frame": "#db4fb3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Spot Dot Dot",
  "manifest_version": 2,
  "description": "I am starting in Web Development for fun. This is part of my first line of internet widgets and so on. Hope you like it."
}