Examine source code of Ghostery dawn slim

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Ghostery glow slim",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-045-3e6898966e6ccdc87f80d23d4e7a6a49.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(27, 94, 131)",
      "toolbar_text": "rgb(9, 223, 249)",
      "frame": "rgb(4, 84, 130)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(11, 18, 106)",
      "toolbar_field_text": "rgb(247, 247, 255)",
      "tab_line": "rgb(6, 48, 93)",
      "popup": "rgb(3, 3, 52)",
      "popup_text": "rgb(229, 230, 240)",
      "icons_attention": "rgb(29, 37, 132)",
      "tab_loading": "rgb(6, 48, 93)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f7b43f34-7a02-41ec-a52c-56a9201d0e54}"
    }
  }
}