Examine source code of macOS Iridescence Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mac OSX Iridescence",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 44)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 44)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(24, 24, 55)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(217, 60, 226)",
      "popup": "rgb(0, 0, 44)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(0, 0, 44)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(52, 52, 111)",
      "popup_highlight": "rgb(52, 52, 111)",
      "tab_background_separator": "rgb(52, 52, 111)",
      "tab_loading": "rgb(52, 52, 111)",
      "tab_text": "rgb(255, 255, 255)"
    }
  }
}