Examine source code of Hightech

{
  "theme": {
    "images": {
      "theme_frame": "persona_header.jpg"
    },
    "colors": {
      "frame": "#191d1e",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Hightech",
  "manifest_version": 2,
  "description": "If you like high tech styled stuff, this one's for you. If not, try it anyway ;-)\nHave fun."
}