t: new
o: /browser/base/content/aboutDialog.xhtml

+#filter substitution
+<?xml version="1.0"?>
+<?csp default-src chrome: resource:; object-src 'none';?>
+
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        xmlns:html="http://www.w3.org/1999/xhtml"
+        id="aboutDialog"
+        windowtype="Browser:About"
+        role="dialog">
+
+  <linkset>
+    <html:link rel="stylesheet" href="chrome://global/skin/global.css"/>
+    <html:link rel="stylesheet" href="chrome://browser/content/aboutDialog.css"/>
+    <html:link rel="stylesheet" href="chrome://branding/content/aboutDialog.css"/>
+    <html:link rel="localization" href="branding/brand.ftl"/>
+    <html:link rel="localization" href="browser/aboutDialog.ftl"/>
+  </linkset>
+
+  <html:div id="aboutDialogContainer">
+    <hbox id="clientBox">
+      <vbox id="leftBox" flex="1"/>
+      <vbox id="rightBox">
+        <!-- <label id="release" hidden="true">Extended Support Release</label> -->
+
+        <label class="text-blurb" style="margin-top: 16px;">Spitfire is a privacy-focused and customisable web browser.</label>
+        <label class="text-blurb">
+        </label>
+      </vbox>
+    </hbox>
+    <vbox id="bottomBox">
+      <hbox pack="center">
+        <label is="text-link" class="bottom-link" useoriginprincipal="true" href="about:license" data-l10n-id="bottomLinks-license"/>
+        <label is="text-link" class="bottom-link" href="https://weforge.xyz/Spitfire">Source Code</label>
+        <label is="text-link" class="bottom-link" href="https://liberapay.com/partisan/">Support the project</label>
+      </hbox>
+      <description id="trademark" data-l10n-id="trademarkInfo"></description>
+    </vbox>
+  </html:div>
+
+  <keyset>
+    <key id="aboutDialogEscapeKey" keycode="VK_ESCAPE"/>
+  </keyset>
+
+  <script src="chrome://browser/content/aboutDialog.js"/>
+</window>