Examine source code of rakstar

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#0d0c0c",
      "tab_background_text": "#e82727"
    }
  },
  "version": "2.0",
  "name": "rakstar",
  "manifest_version": 2,
  "description": "iman19"
}