Examine source code of wisdomcore v2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "wisdomcore",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(87, 86, 85)",
      "toolbar_text": "rgb(218, 208, 190)",
      "frame": "rgb(75, 73, 71)",
      "tab_background_text": "rgb(200, 200, 200)",
      "toolbar_field": "rgba(245, 242, 236, 0.92)",
      "toolbar_field_text": "rgba(42, 36, 31, 0.83)",
      "tab_line": "rgba(141, 102, 61, 0.61)",
      "popup": "rgba(245, 242, 236, 0.94)",
      "popup_text": "rgba(26, 18, 3, 0.98)",
      "button_background_active": "rgba(137, 126, 114, 0.88)",
      "button_background_hover": "rgb(126, 118, 111)",
      "icons": "rgb(215, 207, 198)",
      "ntp_background": "rgb(105, 101, 98)",
      "ntp_text": "rgb(197, 190, 181)",
      "popup_border": "rgb(231, 212, 187)",
      "sidebar_border": "rgb(133, 132, 131)",
      "tab_loading": "rgba(141, 102, 61, 0.61)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{486a40fb-b7c7-4793-bd11-bbc83b15be03}"
    }
  }
}