Examine source code of night hero

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "eye",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(10, 10, 37, 0)",
      "toolbar_text": "rgb(14, 174, 27)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(46, 202, 47)",
      "toolbar_field": "rgba(8, 49, 8, 0.11)",
      "toolbar_field_text": "rgb(8, 251, 31)",
      "tab_line": "rgb(14, 174, 27)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(46, 202, 47)",
      "icons": "rgb(8, 251, 31)",
      "ntp_background": "rgb(3, 7, 30)",
      "ntp_text": "rgb(244, 244, 244)",
      "popup_border": "rgb(228, 236, 17)",
      "popup_highlight_text": "rgb(228, 236, 17)",
      "popup_highlight": "rgb(221, 245, 221)",
      "sidebar_border": "rgb(228, 236, 17)",
      "sidebar_highlight": "rgb(10, 10, 37)",
      "sidebar_text": "rgb(228, 236, 17)",
      "sidebar": "rgb(19, 89, 10)",
      "tab_background_separator": "rgb(14, 174, 27)",
      "tab_selected": "rgb(0, 0, 0)",
      "tab_text": "rgb(237, 237, 14)",
      "toolbar_field_border_focus": "rgb(0, 0, 0)",
      "tab_loading": "rgb(14, 174, 27)"
    }
  }
}