Examine source code of Einstein Emc2

{
  "theme": {
    "images": {
      "theme_frame": "Header_EMC2_NEverlan.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#c7c7c7"
    }
  },
  "version": "2.0",
  "name": "Einstein Emc2",
  "manifest_version": 2,
  "description": "Teoria de la Relatividad de Einstein"
}