diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index 7b97016..b9fb178 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -81,7 +81,7 @@ samp,
 var {
   padding: 0 0.4em;
   font-size: 0.857em;
-  font-family: "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
+  font-family: Menlo, Consolas, "Andale Mono", "Lucida Console", "Nimbus Mono L", "DejaVu Sans Mono", monospace, "Courier New";
 }
 code {
   background-color: #f2f2f2;
@@ -858,7 +858,7 @@ ul.links {
 }
 .node-preview-container {
   background: #fffce5;
-  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-family: "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
   box-shadow: 0 1px 3px 1px rgba(0, 0, 0, 0.3333);
   position: fixed;
   z-index: 499;