Examine source code of FutureBlue_Glass

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "FutureBlue_Glass",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(25, 52, 66, 0.59)",
      "toolbar_text": "rgb(238, 229, 229)",
      "frame": "rgb(80, 93, 97)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(217, 226, 230)",
      "toolbar_field_text": "rgb(25, 52, 66)",
      "tab_line": "rgb(71, 115, 234)",
      "popup": "rgb(224, 225, 227)",
      "popup_text": "rgb(25, 52, 66)",
      "tab_loading": "rgb(71, 115, 234)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2fdd61db-db4c-4a3d-a417-1e995802682a}"
    }
  }
}