Examine source code of Dark and Light

{
  "theme": {
    "images": {
      "theme_frame": "combinedcopy1.JPG"
    },
    "colors": {
      "frame": "#8f158f",
      "tab_background_text": "#0f5907"
    }
  },
  "version": "2.0",
  "name": "Dark and Light",
  "manifest_version": 2,
  "description": "The battle of darkness and light, now in unicorn form for your web window! "
}