Examine source code of Elder God Priestess

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Elder God Priestess",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-027-1049af643fc55b4ffd4a8575444547c5.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(39, 32, 66)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(36, 28, 51)",
      "tab_background_text": "rgb(197, 193, 206)",
      "toolbar_field": "rgb(52, 43, 74)",
      "toolbar_field_text": "rgb(197, 193, 206)",
      "tab_line": "rgb(166, 82, 3)",
      "popup": "rgb(36, 28, 51)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(36, 28, 51)",
      "popup_highlight": "rgb(73, 61, 103)",
      "toolbar_field_highlight": "rgb(73, 61, 103)",
      "tab_loading": "rgb(166, 82, 3)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{efa2f845-8a12-4aa7-a475-dfbdd7119274}"
    }
  }
}