Examine source code of good night

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "good night",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(78, 79, 79)",
      "toolbar_text": "rgb(67, 218, 73)",
      "frame": "rgb(78, 79, 79)",
      "tab_background_text": "rgb(47, 180, 24)",
      "toolbar_field": "rgba(66, 67, 66, 0)",
      "toolbar_field_text": "rgb(32, 230, 50)",
      "tab_line": "rgb(78, 79, 79)",
      "popup": "rgb(78, 79, 79)",
      "popup_text": "rgb(33, 164, 0)",
      "ntp_background": "rgba(78, 80, 82, 0.7)",
      "ntp_text": "rgba(18, 18, 18, 0.7)",
      "popup_border": "rgb(87, 90, 87)",
      "sidebar_text": "rgb(57, 179, 21)",
      "sidebar": "rgb(78, 79, 79)",
      "tab_loading": "rgb(58, 169, 25)"
    }
  }
}