diff --git a/docs/_static/style.css b/docs/_static/style.css
index d97a63f..c3e4794 100644
--- a/docs/_static/style.css
+++ b/docs/_static/style.css
@@ -12,3 +12,11 @@
 .gp {
   color: darkorange;
 }
+
+/* workaround Pydata Sphinx theme using light colors for widget cell outputs in dark-mode */
+/* works for many widgets but not for Xarray html reprs */
+/* https://github.com/pydata/pydata-sphinx-theme/issues/2189 */
+html[data-theme="dark"] div.cell_output .text_html:has(div.xr-wrap) {
+  background-color: var(--pst-color-on-background) !important;
+  color: var(--pst-color-text-base) !important;
+}