diff --git a/docs/assets/css/docusaurus.css b/docs/assets/css/docusaurus.css
index 5bbf23fd0..13edb5495 100644
--- a/docs/assets/css/docusaurus.css
+++ b/docs/assets/css/docusaurus.css
@@ -22,6 +22,7 @@
   }
 }
 
+
 .govuk-template--rebranded .govuk-header__link--homepage:not(:focus),
 .govuk-template--rebranded .govuk-header,
 .govuk-template--rebranded .govuk-service-navigation.govuk-service-navigation--inverse,
@@ -37,6 +38,10 @@
   background-color: #f4f8fb;
 }
 
+.govuk-template__body.app-homepage #main-content {
+  background-color: #ffffff;
+}
+
 @media (min-width: 48.125em) {
   .govuk-template--rebranded .app-masthead .govuk-grid-row {
     display: flex;
diff --git a/package-lock.json b/package-lock.json
index 0db10ed9f..65b86a393 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,7 +67,7 @@
         "@babel/plugin-syntax-import-attributes": "^7.27.1",
         "@babel/preset-env": "^7.28.5",
         "@babel/preset-typescript": "^7.28.5",
-        "@defra/docusaurus-theme-govuk": "^0.0.19-alpha",
+        "@defra/docusaurus-theme-govuk": "^0.0.20-alpha",
         "@docusaurus/core": "^3.9.2",
         "@docusaurus/plugin-content-docs": "^3.9.2",
         "@easyops-cn/docusaurus-search-local": "^0.55.0",
@@ -3414,9 +3414,9 @@
       }
     },
     "node_modules/@defra/docusaurus-theme-govuk": {
-      "version": "0.0.19-alpha",
-      "resolved": "https://registry.npmjs.org/@defra/docusaurus-theme-govuk/-/docusaurus-theme-govuk-0.0.19-alpha.tgz",
-      "integrity": "sha512-ZMBKWJ/WpHl+MookAb4B47GiYznuF1gJWE9U9fb2AwGn7QG0knuMoNtcRxplbSCQ1HD65sg0QEo/NryYbEOCEg==",
+      "version": "0.0.20-alpha",
+      "resolved": "https://registry.npmjs.org/@defra/docusaurus-theme-govuk/-/docusaurus-theme-govuk-0.0.20-alpha.tgz",
+      "integrity": "sha512-1idnP96gd4MZsJ+WR8NBinoqMRoiTNXkFKUucjxeRgEwAfVyJdoQEE1Lln8upIGiDS5FQg6igJAJPc5LknZ3DQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 7e698b586..76df0afe6 100644
--- a/package.json
+++ b/package.json
@@ -144,7 +144,7 @@
     "@babel/plugin-syntax-import-attributes": "^7.27.1",
     "@babel/preset-env": "^7.28.5",
     "@babel/preset-typescript": "^7.28.5",
-    "@defra/docusaurus-theme-govuk": "^0.0.19-alpha",
+    "@defra/docusaurus-theme-govuk": "^0.0.20-alpha",
     "@docusaurus/core": "^3.9.2",
     "@docusaurus/plugin-content-docs": "^3.9.2",
     "@easyops-cn/docusaurus-search-local": "^0.55.0",