diff --git a/production/common.css b/production/common.css
index d00773d..c500196 100644
--- a/production/common.css
+++ b/production/common.css
@@ -4,7 +4,7 @@
  */
 
 body {
-   font-family: Helvetica, Arial, sans-serif;
+   font-family: monospace, Arial, sans-serif;
 }
 
 span.tag {
@@ -12,7 +12,7 @@ span.tag {
 }
 
 pre {
-   font-family: Monaco, "Courier New", monospace;
+   font-family: sans-serif, "Courier New", monospace;
 }
 
 #c-panel {