diff --git a/css/80_app.css b/css/80_app.css
index 963a7a1dc..5113a8fb2 100644
--- a/css/80_app.css
+++ b/css/80_app.css
@@ -4367,12 +4367,16 @@ img.tile {
     opacity: 1;
     transition: opacity 120ms linear;
 }
-/* Fix visible grid around tiles borders on Chrome */
+
+/* Workaround to remove visible grid around tile borders on Chrome */
+/* with 3 exceptions for 110%, 80% and 67% browser zoom */
+/* https://issues.chromium.org/issues/40084005  https://github.com/Leaflet/Leaflet/pull/8891  https://github.com/openstreetmap/iD/pull/10594 */
 @media not ((1.09 < -webkit-device-pixel-ratio < 1.11) or (0.79 < -webkit-device-pixel-ratio < 0.81) or (0.66 < -webkit-device-pixel-ratio < 0.68)) {
     .layer-background img.tile {
         mix-blend-mode: plus-lighter;
     }
 }
+
 img.tile-removing {
     opacity: 0;
     z-index: 1;