Examine source code of ShakeB4use

{
  "theme": {
    "images": {
      "theme_frame": "shakeup.jpg"
    },
    "colors": {
      "frame": "#6e1010",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "ShakeB4use",
  "manifest_version": 2,
  "description": "Some nothing doing :D"
}