Examine source code of Microsoft Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Microsoft Theme 1",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-011-d53e0d0d1538ed554a90e056a2f04eca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(68, 82, 82)",
      "toolbar_text": "rgb(188, 192, 195)",
      "frame": "rgb(36, 122, 187)",
      "tab_background_text": "rgb(248, 215, 4)",
      "toolbar_field": "rgb(22, 67, 86)",
      "toolbar_field_text": "rgb(225, 229, 232)",
      "tab_line": "rgb(34, 45, 34)",
      "popup": "rgb(57, 162, 110)",
      "popup_text": "rgb(248, 252, 248)",
      "button_background_active": "rgb(236, 131, 7)",
      "button_background_hover": "rgb(83, 166, 85)",
      "frame_inactive": "rgb(15, 158, 87)",
      "icons_attention": "rgb(177, 6, 6)",
      "icons": "rgb(247, 199, 96)",
      "ntp_background": "rgba(218, 146, 51, 0.99)",
      "popup_border": "rgb(6, 60, 86)",
      "popup_highlight": "rgb(151, 161, 48)",
      "sidebar_border": "rgb(48, 46, 41)",
      "sidebar_highlight_text": "rgb(42, 74, 89)",
      "sidebar_highlight": "rgb(196, 158, 41)",
      "sidebar_text": "rgb(243, 247, 251)",
      "sidebar": "rgb(4, 157, 157)",
      "tab_background_separator": "rgb(71, 179, 127)",
      "tab_loading": "rgb(62, 225, 123)",
      "tab_selected": "rgb(211, 175, 15)",
      "tab_text": "rgb(67, 48, 6)",
      "toolbar_bottom_separator": "rgb(230, 164, 15)",
      "toolbar_field_border_focus": "rgb(215, 163, 18)",
      "toolbar_field_border": "rgb(101, 170, 48)",
      "toolbar_field_focus": "rgb(7, 165, 75)",
      "toolbar_field_highlight_text": "rgb(244, 245, 249)",
      "toolbar_field_highlight": "rgb(29, 106, 106)",
      "toolbar_field_text_focus": "rgb(254, 255, 251)",
      "toolbar_top_separator": "rgb(57, 162, 110)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6cd697b6-8be1-4840-9fcf-4ec183214cb9}"
    }
  }
}