diff --git a/.changeset/new-tips-shop.md b/.changeset/new-tips-shop.md
new file mode 100644
index 0000000000..284dfdf93c
--- /dev/null
+++ b/.changeset/new-tips-shop.md
@@ -0,0 +1,5 @@
+---
+'embedded-techdocs-app': patch
+---
+
+remove internal and inline CSS from index.html
diff --git a/packages/embedded-techdocs-app/public/index.html b/packages/embedded-techdocs-app/public/index.html
index fb874df173..b548d8fb70 100644
--- a/packages/embedded-techdocs-app/public/index.html
+++ b/packages/embedded-techdocs-app/public/index.html
@@ -42,14 +42,9 @@
       href="<%= publicPath %>/safari-pinned-tab.svg"
       color="#5bbad5"
     />
-    <style>
-      #root {
-        min-height: 100%;
-      }
-    </style>
     <title><%= config.getString('app.title') %></title>
   </head>
-  <body style="margin: 0">
+  <body>
     <noscript>You need to enable JavaScript to run this app.</noscript>
     <div id="root"></div>
     <!--
