diff --git a/dev_ref/dev_ref.ditamap b/dev_ref/dev_ref.ditamap
index b71197087..87866c2ba 100644
--- a/dev_ref/dev_ref.ditamap
+++ b/dev_ref/dev_ref.ditamap
@@ -45,6 +45,7 @@
   </topicref>
   <mapref href="plug-ins.ditamap"/>
   <mapref href="../extension-points/extension-points.ditamap"/>
+  <mapref href="html-customization.ditamap"/>
   <mapref href="pdf-customization.ditamap"/>
   <mapref href="migration.ditamap"/>
 
diff --git a/dev_ref/html-customization-parameters.dita b/dev_ref/html-customization-parameters.dita
new file mode 100644
index 000000000..2a518603e
--- /dev/null
+++ b/dev_ref/html-customization-parameters.dita
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE task PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<!--  This file is part of the DITA Open Toolkit project. See the accompanying LICENSE file for applicable license.  -->
+
+<task id="custom-html-parameters">
+  <title>Setting parameters for custom HTML</title>
+  <titlealts>
+    <navtitle>Setting HTML parameters</navtitle>
+  </titlealts>
+  <shortdesc>For simple branded HTML pages, you can adjust the look and feel of the default output to match your company
+    style by setting parameters to include a custom CSS file, or generate a table of contents for navigation in
+    topics.</shortdesc>
+</task>
diff --git a/dev_ref/html-customization-plugins.dita b/dev_ref/html-customization-plugins.dita
new file mode 100644
index 000000000..9fbf2de5e
--- /dev/null
+++ b/dev_ref/html-customization-plugins.dita
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE task PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<!--  This file is part of the DITA Open Toolkit project. See the accompanying LICENSE file for applicable license.  -->
+
+<task id="custom-html-plugins">
+  <title>Custom HTML plug-ins</title>
+  <shortdesc>For more complex customizations, you can create custom DITA-OT plug-ins that build on the default XHTML and
+    HTML5 transformations, bundle custom stylesheets, modify the HTML markup, or override other aspects of HTML
+    processing.</shortdesc>
+</task>
diff --git a/dev_ref/html-customization.dita b/dev_ref/html-customization.dita
new file mode 100644
index 000000000..c3105173b
--- /dev/null
+++ b/dev_ref/html-customization.dita
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE task PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<!--  This file is part of the DITA Open Toolkit project. See the accompanying LICENSE file for applicable license.  -->
+
+<task id="customizing-html-output">
+  <title>Customizing HTML output</title>
+  <shortdesc>There are several ways to customize the default HTML output. You can easily adjust the look and feel just
+    by setting parameters and adding custom CSS, or create plug-ins for more complex customizations.</shortdesc>
+</task>
diff --git a/dev_ref/html-customization.ditamap b/dev_ref/html-customization.ditamap
new file mode 100644
index 000000000..5f12c3fb5
--- /dev/null
+++ b/dev_ref/html-customization.ditamap
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
+<!--  This file is part of the DITA Open Toolkit project. See the accompanying LICENSE file for applicable license.  -->
+
+<map>
+  <title>Customizing HTML output</title>
+  <topicref href="html-customization.dita" keys="html-customization">
+    <topicref href="html-customization-parameters.dita" keys="html-customization-parameters"/>
+    <topicref href="html-customization-plugins.dita" keys="html-customization-plugins"/>
+  </topicref>
+</map>