Examine source code of Light Gray (Edge-like)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Light Gray (Edge-like)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(221, 223, 226)",
      "toolbar_text": "rgb(26, 26, 26)",
      "frame": "rgb(171, 176, 182)",
      "tab_background_text": "rgb(53, 53, 53)",
      "toolbar_field": "rgb(252, 252, 252)",
      "toolbar_field_text": "rgb(26, 26, 26)",
      "tab_line": "rgb(119, 119, 119)",
      "popup": "rgba(24, 25, 26, 0.95)",
      "popup_text": "rgb(215, 226, 239)",
      "ntp_text": "rgb(26, 26, 26)",
      "tab_loading": "rgb(119, 119, 119)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1e4567da-7967-4a64-886b-51e1ba0e0bcb}"
    }
  }
}