Examine source code of Loki the horse

{
  "name": "Loki the horse",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Lokiii.png"
    },
    "colors": {
      "frame": "rgba(0, 1, 3, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac4f7e9a-dc41-45a3-a9ef-8cfc2193d85a}"
    }
  }
}