Examine source code of Black Cherry Nights

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Black Cherry Nights",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-015-79a105bb546d3dfdd686392cf3ad1f57.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.45)",
      "toolbar_text": "rgb(202, 30, 65)",
      "frame": "rgb(146, 142, 142)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(221, 217, 217)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(127, 4, 11)",
      "popup": "rgb(221, 217, 217)",
      "popup_text": "rgb(202, 30, 65)",
      "tab_loading": "rgb(127, 4, 11)"
    }
  }
}