Examine source code of earl grey gingham

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "earl grey gingham",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-038-6c77b9d7dc86f50c6cd82f9c9b1f36f0.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(218, 182, 202)",
      "toolbar_text": "rgb(127, 104, 87)",
      "frame": "rgb(105, 91, 116)",
      "tab_background_text": "rgb(196, 185, 174)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(105, 91, 116)",
      "tab_line": "rgb(218, 182, 202)",
      "popup": "rgb(127, 104, 87)",
      "popup_text": "rgb(196, 185, 174)",
      "toolbar_bottom_separator": "rgb(218, 182, 202)",
      "toolbar_field_highlight": "rgb(127, 104, 87)",
      "toolbar_top_separator": "rgb(218, 182, 202)",
      "tab_loading": "rgb(218, 182, 202)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b28059dd-934f-4abf-81ab-6f0ffff8dabf}"
    }
  }
}