Examine source code of Hackaday modern

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Hackaday",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(26, 26, 26)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(26, 26, 26)",
      "tab_background_text": "rgb(243, 191, 16)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(243, 191, 16)",
      "popup": "rgb(27, 27, 27)",
      "popup_text": "rgb(243, 191, 16)",
      "ntp_background": "rgb(26, 26, 26)",
      "popup_border": "rgb(72, 72, 72)",
      "popup_highlight_text": "rgb(243, 191, 16)",
      "sidebar_highlight_text": "rgb(243, 191, 16)",
      "tab_loading": "rgb(255, 255, 255)",
      "tab_selected": "rgb(243, 191, 16)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(72, 72, 72)",
      "toolbar_field_border": "rgb(72, 72, 72)",
      "toolbar_field_separator": "rgb(72, 72, 72)",
      "toolbar_top_separator": "rgb(72, 72, 72)",
      "toolbar_vertical_separator": "rgb(72, 72, 72)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7713395a-b0a1-4da7-907a-bcf240d36614}"
    }
  }
}