Examine source code of Kill Cupid

{
  "theme": {
    "images": {
      "theme_frame": "kill-cupid.jpg"
    },
    "colors": {
      "frame": "#ed1111",
      "tab_background_text": "#730a11"
    }
  },
  "version": "2.0",
  "name": "Kill Cupid",
  "manifest_version": 2,
  "description": "Kill that little bastard...He's caused more harm than good."
}