Examine source code of Jade

{
  "name": "Jade",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "tb.tools.red.i.v.ii.c.red.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(68, 34, 105, 1)",
      "bookmark_text": "rgba(28, 69, 50, 1)"
    }
  }
}