Examine source code of Fear the Ghost

{
  "theme": {
    "images": {
      "theme_frame": "top.jpg"
    },
    "colors": {
      "frame": "#0d0d0d",
      "tab_background_text": "#9826c9"
    }
  },
  "version": "2.0",
  "name": "Fear the Ghost",
  "manifest_version": 2
}