Examine source code of DARKTHEMEX

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "DARKTHEME",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.17)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(190, 190, 190)",
      "tab_background_text": "rgb(236, 236, 236)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(205, 241, 255, 0)",
      "popup": "rgba(50, 50, 50, 0.89)",
      "popup_text": "rgb(250, 250, 250)",
      "tab_loading": "rgba(205, 241, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c7c656be-be00-4ab3-ab96-e81b43c1c639}"
    }
  }
}