Examine source code of Navy Blue Modern

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Navy Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(194, 222, 255)",
      "toolbar_text": "rgb(15, 47, 89)",
      "frame": "rgb(20, 50, 89)",
      "tab_background_text": "rgb(146, 175, 206)",
      "toolbar_field": "rgb(15, 47, 89)",
      "toolbar_field_text": "rgb(207, 223, 255)",
      "tab_line": "rgb(155, 195, 249)",
      "popup": "rgb(15, 47, 89)",
      "popup_text": "rgb(209, 226, 255)",
      "button_background_active": "rgb(15, 47, 89)",
      "button_background_hover": "rgba(15, 47, 89, 0.13)",
      "icons": "rgb(104, 131, 159)",
      "ntp_background": "rgb(15, 47, 89)",
      "popup_border": "rgba(207, 223, 255, 0.8)",
      "tab_loading": "rgb(155, 195, 249)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{86765b57-045b-470d-9df6-ead05f9ff5ca}"
    }
  }
}