Examine source code of Starcraft 2 subtle

{
  "theme": {
    "images": {
      "theme_frame": "header-touched-up.jpg"
    },
    "colors": {
      "frame": "#bfbfbf",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Starcraft 2 subtle",
  "manifest_version": 2,
  "description": "There already is a starcraft 2 persona but I found it too lively so I made a more subtle version."
}