Examine source code of Dark Blueprint

{
  "manifest_version": 2,
  "version": "1.5",
  "name": "Dark Blueprint",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(46, 58, 80)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(41, 61, 93)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(46, 58, 80)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 182, 8)",
      "popup": "rgb(46, 58, 80)",
      "popup_text": "rgb(255, 255, 255)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(41, 61, 93)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(255, 182, 8)",
      "sidebar_border": "rgb(255, 182, 8)",
      "sidebar_highlight_text": "rgb(255, 182, 8)",
      "sidebar_highlight": "rgb(41, 61, 93)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(46, 58, 80)",
      "tab_loading": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgba(255, 182, 8, 0.87)",
      "toolbar_top_separator": "rgb(46, 58, 80)",
      "toolbar_field_border": "rgb(41, 61, 93)"
    }
  }
}