Examine source code of Tan-X Cross

{
  "theme": {
    "images": {
      "theme_frame": "brownxtop.png"
    },
    "colors": {
      "frame": "#b3a995",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Tan-X Cross",
  "manifest_version": 2,
  "description": "A nice neutral tone that does not take away from any site you are looking at."
}