Examine source code of Bewitching...

{
  "theme": {
    "images": {
      "theme_frame": "header57.jpg"
    },
    "colors": {
      "frame": "#dbd8d8",
      "tab_background_text": "#ed0e0e"
    }
  },
  "version": "2.0",
  "name": "Bewitching...",
  "manifest_version": 2,
  "description": "Looking at a evil dark night.."
}