Examine source code of Melbourne Demons (AFL)

{
  "name": "Melbourne Demons (AFL)",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "demons.svg"
    },
    "colors": {
      "frame": "rgba(6, 26, 51, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(3, 18, 35, 0.7)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 18, 35, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(204, 32, 49, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f3d749b6-6d85-48d8-ba77-22e0520a8684}"
    }
  }
}