diff --git a/src/ui/screenshot_menu.css b/src/ui/screenshot_menu.css
index 7c6beedb4e..1780b988ac 100644
--- a/src/ui/screenshot_menu.css
+++ b/src/ui/screenshot_menu.css
@@ -33,31 +33,28 @@
   overflow-x: hidden;
   overflow-y: auto;
 }
-.neuroglancer-screenshot-overlay
-  :is(
-    div,
-    span,
-    a,
-    img,
-    h1,
-    h2,
-    h3,
-    h4,
-    h5,
-    h6,
-    p,
-    form,
-    input,
-    textarea,
-    select,
-    strong,
-    table,
-    tr,
-    td,
-    th,
-    tbody,
-    button
-  ) {
+.neuroglancer-screenshot-overlay div,
+span,
+a,
+img,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+p,
+form,
+input,
+textarea,
+select,
+strong,
+table,
+tr,
+td,
+th,
+tbody,
+button {
   box-sizing: border-box;
   outline: 0;
 }