diff --git a/frontend/viewable-ui/src/index.css b/frontend/viewable-ui/src/index.css
index 4373c05..14d147b 100755
--- a/frontend/viewable-ui/src/index.css
+++ b/frontend/viewable-ui/src/index.css
@@ -72,7 +72,6 @@ a {
 pre {
     white-space: pre-wrap;
     white-space: -moz-pre-wrap;
-    white-space: -pre-wrap;
     white-space: -o-pre-wrap;
     word-wrap: break-word;
 }