Examine source code of Alien Ribs

{
  "theme": {
    "images": {
      "theme_frame": "alien-ribs.png"
    },
    "colors": {
      "frame": "#595959",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Alien Ribs",
  "manifest_version": 2,
  "description": "Giger style Alien Ribs seamless texture from the Filter Factory application with a gradient applied."
}