Examine source code of Human

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Human",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-011-d53e0d0d1538ed554a90e056a2f04eca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(52, 52, 52)",
      "toolbar_text": "rgb(240, 95, 43)",
      "frame": "rgb(38, 38, 38)",
      "tab_background_text": "rgb(207, 55, 0)",
      "toolbar_field": "rgb(38, 38, 38)",
      "toolbar_field_text": "rgb(207, 55, 0)",
      "tab_line": "rgb(37, 31, 28)",
      "popup": "rgb(60, 60, 60)",
      "popup_text": "rgb(240, 95, 43)",
      "button_background_active": "rgb(28, 28, 28)",
      "button_background_hover": "rgb(32, 32, 32)",
      "ntp_background": "rgb(48, 48, 48)",
      "popup_border": "rgb(233, 84, 32)",
      "sidebar_border": "rgb(41, 41, 41)",
      "sidebar_text": "rgb(227, 227, 227)",
      "sidebar": "rgb(66, 65, 64)",
      "toolbar_field_border_focus": "rgb(207, 55, 0)",
      "toolbar_field_border": "rgb(174, 86, 59)",
      "toolbar_field_focus": "rgb(71, 71, 71)",
      "toolbar_field_separator": "rgb(120, 59, 41)",
      "toolbar_field_text_focus": "rgb(204, 204, 204)",
      "toolbar_top_separator": "rgb(34, 34, 34)",
      "tab_loading": "rgb(37, 31, 28)"
    }
  }
}