Examine source code of Dark Geometric

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Geometric",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(56, 56, 56)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(232, 247, 247)",
      "toolbar_field": "rgb(84, 84, 84)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(46, 220, 225)",
      "popup": "rgb(56, 56, 56)",
      "popup_text": "rgb(232, 247, 247)",
      "ntp_background": "rgb(42, 42, 46)",
      "ntp_text": "rgb(255, 255, 255)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_text": "rgb(232, 247, 247)",
      "sidebar": "rgb(56, 56, 56)",
      "toolbar_field_border_focus": "rgb(46, 220, 225)",
      "tab_loading": "rgb(46, 220, 225)"
    }
  }
}