Examine source code of Vino oscuro

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Wine",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(17, 17, 40, 0.82)",
      "toolbar_text": "rgb(221, 215, 217)",
      "frame": "rgb(22, 22, 22)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(46, 28, 63)",
      "toolbar_field_text": "rgb(234, 231, 232)",
      "tab_line": "rgb(138, 10, 0)",
      "popup": "rgba(17, 21, 43, 0.67)",
      "popup_text": "rgb(221, 215, 217)",
      "button_background_active": "rgb(3, 15, 109)",
      "button_background_hover": "rgb(34, 80, 146)",
      "icons": "rgba(150, 0, 5, 0.75)",
      "ntp_background": "rgb(2, 2, 28)",
      "tab_background_separator": "rgb(90, 84, 18)",
      "tab_loading": "rgb(90, 84, 18)",
      "tab_selected": "rgba(162, 81, 15, 0.4)",
      "toolbar_bottom_separator": "rgb(59, 53, 49)",
      "toolbar_field_border": "rgb(45, 45, 100)",
      "toolbar_top_separator": "rgb(68, 8, 3)"
    }
  }
}