Examine source code of Worn Denim

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Elegant Denim",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(9, 16, 37)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(6, 6, 10)",
      "tab_background_text": "rgb(181, 192, 192)",
      "toolbar_field": "rgba(255, 255, 255, 0.93)",
      "toolbar_field_text": "rgb(13, 13, 117)",
      "tab_line": "rgba(255, 255, 255, 0.5)",
      "popup": "rgba(10, 9, 30, 0.62)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgba(29, 69, 121, 0.58)",
      "icons_attention": "rgb(29, 69, 121)",
      "tab_loading": "rgba(255, 255, 255, 0.5)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{caf21fe5-544b-4d86-b826-d02eab6b9a1b}"
    }
  }
}