diff --git a/web/static/css/nonshy-prefers-dark.css b/web/static/css/nonshy-prefers-dark.css
index 1480129..29730db 100644
--- a/web/static/css/nonshy-prefers-dark.css
+++ b/web/static/css/nonshy-prefers-dark.css
@@ -1,5 +1,3 @@
 /* Custom nonshy color overrides for Bulma's dark theme
    (prefers-dark edition) */
-@media (prefers-color-scheme: dark) {
-    @import url("dark-theme.css");
-}
\ No newline at end of file
+@import url("dark-theme.css") screen and (prefers-color-scheme: dark);
\ No newline at end of file