Examine source code of Night Out

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "NO2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(103, 81, 145, 0.42)",
      "toolbar_text": "rgb(221, 213, 237)",
      "frame": "rgb(42, 35, 61)",
      "tab_background_text": "rgb(241, 235, 252)",
      "toolbar_field": "rgba(38, 35, 61, 0.66)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgba(52, 50, 94, 0.72)",
      "popup": "rgb(32, 31, 60)",
      "popup_text": "rgb(221, 213, 237)",
      "button_background_hover": "rgba(42, 35, 61, 0.74)",
      "icons_attention": "rgb(123, 127, 204)",
      "icons": "rgb(209, 200, 247)",
      "ntp_background": "rgba(52, 50, 94, 0.72)",
      "popup_border": "rgb(221, 213, 237)",
      "popup_highlight": "rgb(123, 127, 204)",
      "sidebar_highlight_text": "rgba(52, 50, 94, 0.72)",
      "sidebar_highlight": "rgb(221, 213, 237)",
      "sidebar_text": "rgb(42, 35, 61)",
      "toolbar_field_highlight_text": "rgb(44, 42, 79)",
      "toolbar_field_highlight": "rgb(241, 235, 252)",
      "toolbar_top_separator": "rgba(243, 240, 252, 0)",
      "tab_loading": "rgba(52, 50, 94, 0.72)"
    }
  }
}