Examine source code of Real human hands

{
  "theme": {
    "images": {
      "theme_frame": "Realhumanhands.jpg"
    },
    "colors": {
      "frame": "#fcf9f9",
      "tab_background_text": "#bce3e8"
    }
  },
  "version": "2.0",
  "name": "Real human hands",
  "manifest_version": 2,
  "description": "Human anatomy is just amazing."
}