diff --git a/src/assets/css/blocks/gallery.css b/src/assets/css/blocks/dialog.css
similarity index 65%
rename from src/assets/css/blocks/gallery.css
rename to src/assets/css/blocks/dialog.css
index 76f0b69..7ef4ea1 100644
--- a/src/assets/css/blocks/gallery.css
+++ b/src/assets/css/blocks/dialog.css
@@ -13,3 +13,9 @@ dialog::backdrop {
   opacity: 0.85;
   filter: brightness(50%);
 }
+
+/* Prevent page scroll: https://blog.mayank.co/is-dialog-enough */
+
+html:has(dialog[open]:modal) {
+  overflow: hidden;
+}