temp fix for xarray dark reprs (#329)

Author: scottyhq

_static/style.css

@@ -1,3 +1,11 @@
 .bd-header-announcement {
   background-color: var(--pst-color-accent);
 }
+
+/* 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;
+}