Examine source code of Reon Kadena_01

{
  "name": "Reon Kadena_01",
  "manifest_version": 2,
  "version": "2.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(243, 248, 254, 1)",
      "tab_background_text": "rgba(255, 255, 153, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 51, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(255, 255, 153, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a374bee3-422e-4681-97bb-1d271e4f9a88}"
    }
  }
}