Examine source code of Red Tiger

{
  "theme": {
    "images": {
      "theme_frame": "redpersona.png"
    },
    "colors": {
      "frame": "#871111",
      "tab_background_text": "#c7c7c7"
    }
  },
  "version": "2.0",
  "name": "Red Tiger",
  "manifest_version": 2,
  "description": "A red persona I made while bored :P"
}