Examine source code of Barnabus

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Barnabus",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-008-60d2718f8c915b5ba09f31df5555b459.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(21, 23, 24)",
      "toolbar_text": "rgb(235, 219, 178)",
      "frame": "rgb(21, 23, 24)",
      "tab_background_text": "rgb(235, 219, 178)",
      "toolbar_field": "rgb(21, 23, 24)",
      "toolbar_field_text": "rgb(235, 219, 178)",
      "tab_line": "rgb(142, 192, 124)",
      "popup": "rgb(21, 23, 24)",
      "popup_text": "rgb(235, 219, 178)",
      "button_background_hover": "rgb(69, 51, 57)",
      "popup_border": "rgb(54, 59, 62)",
      "popup_highlight": "rgb(69, 51, 57)",
      "tab_loading": "rgb(142, 192, 124)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7c8744e0-60d8-4331-abee-644c553e3a91}"
    }
  }
}