Examine source code of Berry Dots

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Berry Dots",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-004-411c27df18d2f86bd8790aa4a1bde85f.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.59)",
      "toolbar_text": "rgba(255, 255, 255, 0.99)",
      "frame": "rgb(155, 93, 116)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.63)",
      "toolbar_field_text": "rgba(26, 26, 26, 0.97)",
      "tab_line": "rgba(160, 255, 244, 0.94)",
      "popup": "rgba(255, 255, 255, 0.79)",
      "popup_text": "rgb(29, 246, 246)",
      "tab_loading": "rgba(160, 255, 244, 0.94)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{377ecd8e-829c-4669-8706-fae2336f6136}"
    }
  }
}