diff --git a/doc/_static/style.css b/doc/_static/style.css
index ea42511c51e..bc1390f8b3d 100644
--- a/doc/_static/style.css
+++ b/doc/_static/style.css
@@ -7,9 +7,8 @@ table.docutils td {
     word-wrap: break-word;
 }
 
-div.bd-header-announcement {
-  background-color: unset;
-  color: #000;
+.bd-header-announcement {
+  background-color: var(--pst-color-info-bg);
 }
 
 /* Reduce left and right margins */
diff --git a/doc/conf.py b/doc/conf.py
index 152eb6794b4..80b24445f71 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -242,7 +242,7 @@
     Theme by the <a href="https://ebp.jupyterbook.org">Executable Book Project</a></p>""",
     twitter_url="https://twitter.com/xarray_dev",
     icon_links=[],  # workaround for pydata/pydata-sphinx-theme#1220
-    announcement="🍾 <a href='https://github.com/pydata/xarray/discussions/8462'>Xarray is now 10 years old!</a> 🎉",
+    announcement="<a href='https://forms.gle/KEq7WviCdz9xTaJX6'>Xarray's 2024 User Survey is live now. Please take ~5 minutes to fill it out and help us improve Xarray.</a>",
 )