diff --git a/viewer/index.html b/viewer/index.html
index 245806e..fa42dd2 100644
--- a/viewer/index.html
+++ b/viewer/index.html
@@ -26,6 +26,7 @@
image-rendering: -moz-crisp-edges;
image-rendering: -o-crisp-edges;
image-rendering: -webkit-optimize-contrast;
+ image-rendering: crisp-edges;
-ms-interpolation-mode: nearest-neighbor;
}