Examine source code of 8bit Ducky Dark Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ser Ducky Dark Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(46, 46, 49)",
      "toolbar_text": "rgb(249, 249, 250)",
      "frame": "rgb(39, 39, 45)",
      "tab_background_text": "rgb(144, 144, 149)",
      "toolbar_field": "rgb(69, 69, 71)",
      "toolbar_field_text": "rgb(249, 249, 250)",
      "tab_line": "rgb(226, 230, 79)",
      "popup": "rgb(78, 78, 81)",
      "popup_text": "rgb(238, 238, 238)",
      "tab_loading": "rgb(226, 230, 79)"
    }
  }
}