Examine source code of Oceano Oscuro

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Oceano Oscuro",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-037-b73f9b34467ba541de861f5b4c0c6316.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(3, 63, 87, 0.18)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(3, 63, 87)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(62, 90, 104, 0.77)",
      "toolbar_field_text": "rgba(238, 242, 242, 0.99)",
      "tab_line": "rgba(237, 233, 233, 0.6)",
      "popup": "rgba(34, 60, 64, 0.76)",
      "popup_text": "rgb(236, 236, 245)",
      "button_background_active": "rgba(160, 176, 198, 0.95)",
      "button_background_hover": "rgba(103, 124, 142, 0.8)",
      "frame_inactive": "rgba(30, 31, 32, 0.78)",
      "ntp_background": "rgba(158, 161, 164, 0.69)",
      "ntp_text": "rgba(10, 10, 10, 0.69)",
      "popup_border": "rgba(20, 20, 21, 0.08)",
      "popup_highlight": "rgba(34, 44, 64, 0.99)",
      "sidebar_border": "rgb(25, 17, 77)",
      "sidebar_text": "rgb(239, 243, 247)",
      "sidebar": "rgb(55, 64, 66)",
      "tab_background_separator": "rgb(251, 251, 245)",
      "toolbar_bottom_separator": "rgb(144, 147, 150)",
      "toolbar_field_border_focus": "rgba(39, 39, 40, 0.29)",
      "toolbar_top_separator": "rgb(162, 162, 165)",
      "tab_loading": "rgba(237, 233, 233, 0.6)"
    }
  }
}