Examine source code of Nordic Pastel

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nordic Pastel",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(39, 41, 56)",
      "toolbar_text": "rgb(150, 168, 154)",
      "frame": "rgb(31, 31, 40)",
      "tab_background_text": "rgb(150, 168, 154)",
      "toolbar_field": "rgb(29, 29, 33)",
      "toolbar_field_text": "rgb(208, 244, 222)",
      "tab_line": "rgb(250, 210, 225)",
      "popup": "rgb(27, 40, 45)",
      "popup_text": "rgb(169, 222, 249)",
      "icons": "rgb(150, 168, 154)",
      "popup_highlight_text": "rgb(255, 244, 245)",
      "popup_highlight": "rgb(150, 168, 154)",
      "tab_selected": "rgb(44, 44, 59)",
      "tab_text": "rgb(204, 219, 253)",
      "tab_loading": "rgb(250, 210, 225)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{419a89e6-bd8e-4e14-9f26-58cc36785a0d}"
    }
  }
}