Examine source code of AIK Dark 2D

{
  "theme": {
    "images": {
      "theme_frame": "AIK_Dark_2D.jpg"
    },
    "colors": {
      "frame": "#a3a3a3",
      "tab_background_text": "#e8d73a"
    }
  },
  "version": "2.0",
  "name": "AIK Dark 2D",
  "manifest_version": 2,
  "description": "AIK Dark, with a 2D version of the logo."
}