diff --git a/website/client/css/alerts.styl b/website/client/css/alerts.styl
index e5ac4aa042..76b779300c 100644
--- a/website/client/css/alerts.styl
+++ b/website/client/css/alerts.styl
@@ -14,6 +14,7 @@
   display: inline-block
 
 .wide-popover
+  max-width: -moz-max-content
   max-width: max-content
 
 // Small alerts