Examine source code of Ocean Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ocean Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(240, 251, 255)",
      "frame": "rgb(38, 59, 79)",
      "tab_background_text": "rgb(194, 229, 234)",
      "toolbar_field": "rgb(5, 41, 57)",
      "toolbar_field_text": "rgb(212, 219, 221)",
      "tab_line": "rgb(93, 143, 156)",
      "popup": "rgb(7, 62, 85)",
      "popup_text": "rgb(212, 219, 221)",
      "button_background_active": "rgb(24, 66, 88)",
      "button_background_hover": "rgb(24, 66, 88)",
      "icons_attention": "rgb(116, 122, 125)",
      "popup_border": "rgb(75, 126, 149)",
      "popup_highlight_text": "rgb(3, 25, 34)",
      "sidebar": "rgb(1, 11, 24)",
      "tab_selected": "rgb(67, 100, 130)",
      "tab_text": "rgb(243, 251, 253)",
      "toolbar_field_border_focus": "rgb(75, 126, 149)",
      "toolbar_field_border": "rgb(75, 126, 149)",
      "toolbar_field_focus": "rgb(7, 62, 85)",
      "toolbar_field_highlight": "rgb(14, 42, 57)",
      "toolbar_field_text_focus": "rgb(213, 216, 217)",
      "toolbar_vertical_separator": "rgb(85, 128, 149)",
      "tab_loading": "rgb(93, 143, 156)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe950959-2106-4ffa-8a7c-ae4e6faba79a}"
    }
  }
}