Examine source code of Everything Black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "LUXURY BLACK",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(28, 37, 226)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(233, 233, 233)",
      "toolbar_field": "rgb(12, 16, 18)",
      "toolbar_field_text": "rgb(221, 221, 230)",
      "tab_line": "rgb(21, 19, 19)",
      "popup": "rgb(16, 16, 17)",
      "popup_text": "rgb(237, 237, 245)",
      "icons": "rgb(36, 19, 132)",
      "ntp_text": "rgb(61, 28, 188)",
      "tab_loading": "rgb(21, 19, 19)"
    }
  }
}