Examine source code of CometCatch

{
  "theme": {
    "images": {
      "theme_frame": "PLANETBACK.png"
    },
    "colors": {
      "frame": "#d40b0b",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "CometCatch",
  "manifest_version": 2,
  "description": "CometCatch is an original by Exploding Mercury Graphics."
}