Examine source code of Amazon Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Amazon Theme 1",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-011-d53e0d0d1538ed554a90e056a2f04eca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(28, 92, 94)",
      "toolbar_text": "rgb(221, 222, 229)",
      "frame": "rgb(17, 38, 72)",
      "tab_background_text": "rgb(188, 226, 227)",
      "toolbar_field": "rgb(24, 32, 53)",
      "toolbar_field_text": "rgb(225, 229, 232)",
      "tab_line": "rgb(241, 247, 27)",
      "popup": "rgb(157, 122, 29)",
      "popup_text": "rgb(232, 234, 214)",
      "button_background_active": "rgb(4, 45, 74)",
      "button_background_hover": "rgb(145, 147, 8)",
      "icons_attention": "rgb(177, 6, 6)",
      "ntp_background": "rgba(109, 116, 8, 0.99)",
      "popup_border": "rgb(5, 110, 161)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(32, 74, 143)",
      "sidebar_border": "rgb(153, 153, 13)",
      "sidebar_highlight_text": "rgb(42, 74, 89)",
      "sidebar_highlight": "rgb(12, 45, 94)",
      "sidebar_text": "rgb(200, 210, 219)",
      "sidebar": "rgb(0, 52, 52)",
      "tab_background_separator": "rgb(127, 146, 162)",
      "tab_loading": "rgb(251, 230, 4)",
      "tab_selected": "rgb(113, 93, 5)",
      "tab_text": "rgb(253, 248, 236)",
      "toolbar_field_border_focus": "rgb(215, 163, 18)",
      "toolbar_field_border": "rgb(234, 245, 7)",
      "toolbar_field_highlight_text": "rgb(226, 231, 249)",
      "toolbar_field_highlight": "rgb(29, 106, 106)",
      "toolbar_field_text_focus": "rgb(254, 255, 251)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b3558cc1-f0b4-4177-a8b3-ff036c07e895}"
    }
  }
}