diff --git a/web/themes/contrib/tailwindcss/tailwindcss.theme b/web/themes/contrib/tailwindcss/tailwindcss.theme
index 2e9932e..9d6ee4f 100644
--- a/web/themes/contrib/tailwindcss/tailwindcss.theme
+++ b/web/themes/contrib/tailwindcss/tailwindcss.theme
@@ -5,6 +5,13 @@
  * Functions to support theming in the Tailwind CSS theme.
  */
 
+/**
+ * Implements hook_preprocess_HOOK().
+ */
+function tailwindcss_preprocess_html(&$variables) {
+  $variables['attributes']['class'][] = 'tw-bg-red-200';
+}
+
 /**
  * Implements hook_preprocess_HOOK().
  */
diff --git a/web/themes/contrib/tailwindcss/webpack.mix.js b/web/themes/contrib/tailwindcss/webpack.mix.js
index 9d6834d..4870ad4 100644
--- a/web/themes/contrib/tailwindcss/webpack.mix.js
+++ b/web/themes/contrib/tailwindcss/webpack.mix.js
@@ -7,5 +7,6 @@ mix.postCss('src/main.css', 'dist', [
 ])
 .purgeCss({
   folders: ['templates'],
-  extensions: ['html', 'twig']
+  extensions: ['html', 'twig'],
+  whitelistPatterns: [/tw-bg-red-200/]
 })