Examine source code of The Orange Label

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Orange Soda",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(33, 24, 50)",
      "toolbar_text": "rgb(242, 89, 18)",
      "frame": "rgb(33, 24, 50)",
      "tab_background_text": "rgb(203, 203, 203)",
      "toolbar_field": "rgba(65, 43, 107, 0.7)",
      "toolbar_field_text": "rgb(203, 203, 203)",
      "tab_line": "rgb(242, 89, 18)",
      "popup": "rgb(65, 43, 107)",
      "popup_text": "rgb(249, 248, 246)",
      "button_background_active": "rgb(65, 43, 107)",
      "button_background_hover": "rgba(242, 89, 18, 0.8)",
      "icons": "rgb(203, 203, 203)",
      "ntp_background": "rgb(33, 24, 50)",
      "ntp_text": "rgb(203, 203, 203)",
      "popup_border": "rgba(65, 43, 107, 0.7)",
      "sidebar_border": "rgb(65, 43, 107)",
      "sidebar": "rgb(65, 43, 107)",
      "tab_loading": "rgb(33, 24, 50)",
      "tab_selected": "rgb(242, 89, 18)",
      "tab_text": "rgb(249, 248, 246)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5c0619ce-0a27-4356-bcc2-9538eeb7a039}"
    }
  }
}