diff --git a/content/static/css/unit.css b/content/static/css/unit.css
index 2599425..e682cf3 100644
--- a/content/static/css/unit.css
+++ b/content/static/css/unit.css
@@ -4,7 +4,8 @@
  * license that can be found in the LICENSE file.
  */
 
-@import './_unit_header.css';
+@import './unit_header.css';
+@import './unit_readme.css';
 
 .UnitContent {
   max-width: 60rem;
diff --git a/content/static/css/_unit_header.css b/content/static/css/unit_header.css
similarity index 100%
rename from content/static/css/_unit_header.css
rename to content/static/css/unit_header.css
diff --git a/content/static/css/unit_readme.css b/content/static/css/unit_readme.css
new file mode 100644
index 0000000..ec11e51
--- /dev/null
+++ b/content/static/css/unit_readme.css
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2020 The Go Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file.
+ */
+
+.UnitReadme {
+  margin-top: 2rem;
+}
+.UnitReadme::before {
+  content: '';
+  display: block;
+  position: relative;
+  width: 0;
+  height: 5em;
+  margin-top: -5em;
+}
+.UnitReadme-title {
+  border-bottom: 0.0625rem solid var(--gray-8);
+  display: flex;
+  font-size: 1.375rem;
+  margin: 1rem 0 0 0;
+  padding-bottom: 1rem;
+}
+.UnitReadme-title img {
+  margin-right: 1rem;
+}
+.UnitReadme-content {
+  position: relative;
+  max-height: 20rem;
+  overflow: hidden;
+}
+.UnitReadme-fadeOut {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  text-align: center;
+  margin: 0;
+  padding: 30px 0;
+  background-image: linear-gradient(to bottom, transparent, var(--white));
+}
+.UnitReadme-expandLink {
+  cursor: pointer;
+  padding: 10px 0;
+  color: var(--turq-dark);
+}
+.UnitReadme-collapseLink {
+  cursor: pointer;
+  display: none;
+  padding: 10px 0;
+  color: var(--turq-dark);
+}
+.UnitReadme--expanded .UnitReadme-content {
+  max-height: initial;
+}
+.UnitReadme--expanded .UnitReadme-fadeOut {
+  display: none;
+}
+.UnitReadme--expanded .UnitReadme-expandLink {
+  display: none;
+}
+.UnitReadme--expanded .UnitReadme-collapseLink {
+  display: block;
+}
diff --git a/content/static/html/helpers/_unit_header.tmpl b/content/static/html/helpers/_unit_header.tmpl
index 9e700d4..35fe984 100644
--- a/content/static/html/helpers/_unit_header.tmpl
+++ b/content/static/html/helpers/_unit_header.tmpl
@@ -1,5 +1,5 @@
 <!--
-  Copyright 2019 The Go Authors. All rights reserved.
+  Copyright 2020 The Go Authors. All rights reserved.
   Use of this source code is governed by a BSD-style
   license that can be found in the LICENSE file.
 -->
@@ -66,4 +66,4 @@
       {{end}}
     </div>
   </header>
-{{end}}
\ No newline at end of file
+{{end}}
diff --git a/content/static/html/helpers/_unit_readme.tmpl b/content/static/html/helpers/_unit_readme.tmpl
new file mode 100644
index 0000000..eef1dd3
--- /dev/null
+++ b/content/static/html/helpers/_unit_readme.tmpl
@@ -0,0 +1,21 @@
+<!--
+  Copyright 2020 The Go Authors. All rights reserved.
+  Use of this source code is governed by a BSD-style
+  license that can be found in the LICENSE file.
+-->
+
+{{define "unit_readme"}}
+  {{if .Readme }}
+    <div class="UnitReadme {{if .ExpandReadme}}UnitReadme--expanded{{end}}" id="readme-top">
+      <h2 class="UnitReadme-title">
+        <img height="25px" width="20px" src="/static/img/pkg-icon-readme_20x16.svg">README
+      </h2>
+      <div class="UnitReadme-content">
+        <div class="Overview-readmeContent">{{.Readme}}</div>
+        <div class="UnitReadme-fadeOut"></div>
+      </div>
+      <a class="UnitReadme-expandLink" href="?readme#readme-top">Expand ▾</a>
+      <a class="UnitReadme-collapseLink" href="?#readme-top">Collapse ▴</a>
+    </div>
+  {{end}}
+{{end}}
diff --git a/content/static/html/pages/unit_details.tmpl b/content/static/html/pages/unit_details.tmpl
index 627f050..d215a79 100644
--- a/content/static/html/pages/unit_details.tmpl
+++ b/content/static/html/pages/unit_details.tmpl
@@ -5,5 +5,5 @@
 -->
 
 {{define "unit_content"}}
-
+  {{block "unit_readme" .}}{{end}}
 {{end}}