Examine source code of Steampunkeyes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Steampunky",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(4, 0, 10)",
      "toolbar_text": "rgb(69, 194, 160)",
      "frame": "rgb(39, 40, 23)",
      "tab_background_text": "rgb(144, 157, 161)",
      "toolbar_field": "rgba(84, 76, 95, 0.42)",
      "toolbar_field_text": "rgb(142, 142, 97)",
      "tab_line": "rgb(180, 180, 102)",
      "popup": "rgb(77, 77, 51)",
      "popup_text": "rgb(180, 180, 102)",
      "tab_loading": "rgb(180, 180, 102)"
    }
  }
}