Examine source code of logosbox2

{
  "theme": {
    "images": {
      "theme_frame": "boxdarkheader.jpg"
    },
    "colors": {
      "frame": "#47afff",
      "tab_background_text": "#e8eeff"
    }
  },
  "version": "2.0",
  "name": "logosbox2",
  "manifest_version": 2,
  "description": "Dark and more readable version of the logosbox1 persona"
}