Examine source code of Instructional Computing

{
  "theme": {
    "images": {
      "theme_frame": "persona.png"
    },
    "colors": {
      "frame": "#c2c2c2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Instructional Computing",
  "manifest_version": 2,
  "description": "I am an employee of IC and we will be using this to brand our machines. We would just simply use the custom persona option and deploy that, but there is a bug that will not allow it to stick -- thus I am resorting to personas hosted online."
}