Examine source code of One Dark Pro

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "One Dark Pro",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-019-7ce748211c61f9059493d4c4378e8a74.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(40, 44, 52)",
      "toolbar_text": "rgb(137, 202, 120)",
      "frame": "rgb(33, 37, 43)",
      "tab_background_text": "rgb(119, 119, 119)",
      "toolbar_field": "rgb(33, 37, 43)",
      "toolbar_field_text": "rgb(137, 202, 120)",
      "tab_line": "rgb(229, 192, 123)",
      "popup": "rgb(40, 44, 52)",
      "popup_text": "rgb(187, 187, 187)",
      "button_background_active": "rgba(229, 192, 123, 0.53)",
      "button_background_hover": "rgba(229, 192, 123, 0.34)",
      "icons": "rgb(229, 192, 123)",
      "ntp_background": "rgb(33, 37, 43)",
      "popup_border": "rgb(137, 202, 120)",
      "popup_highlight": "rgba(137, 202, 120, 0.34)",
      "sidebar_border": "rgb(137, 202, 120)",
      "sidebar_text": "rgb(137, 202, 120)",
      "sidebar": "rgb(33, 37, 43)",
      "tab_loading": "rgb(229, 192, 123)",
      "tab_text": "rgb(187, 187, 187)",
      "toolbar_field_border_focus": "rgb(137, 202, 120)",
      "toolbar_field_highlight": "rgba(137, 202, 120, 0.34)"
    }
  }
}