diff --git a/mozilla/themes/classic/navigator/mac/navigator.css b/mozilla/themes/classic/navigator/mac/navigator.css
index 81dd7cb93da..35484da8fa2 100644
--- a/mozilla/themes/classic/navigator/mac/navigator.css
+++ b/mozilla/themes/classic/navigator/mac/navigator.css
@@ -179,6 +179,12 @@
     margin-right: 2px;
     font-weight: bold;
   }
+
+#go-button {
+   margin: 0px 5px 0px 0px;
+   font: message-box;
+   font-weight: bold;
+  }
   
 #statusbar-icon
   {
diff --git a/mozilla/themes/classic/navigator/win/navigator.css b/mozilla/themes/classic/navigator/win/navigator.css
index 01632daa7e3..452381095d1 100644
--- a/mozilla/themes/classic/navigator/win/navigator.css
+++ b/mozilla/themes/classic/navigator/win/navigator.css
@@ -188,6 +188,8 @@
 
 #search-button, 
 #go-button {
+  font: message-box;
+  font-weight: bold;
   margin: 0px 5px 0px 0px;
 }
 
diff --git a/mozilla/themes/modern/navigator/navigator.css b/mozilla/themes/modern/navigator/navigator.css
index 996e711005a..79ccdb6037c 100644
--- a/mozilla/themes/modern/navigator/navigator.css
+++ b/mozilla/themes/modern/navigator/navigator.css
@@ -337,6 +337,8 @@
 }
 
 #go-button {
+  font: message-box;
+  font-weight: bold;
   margin-right: 6px;
   margin-left: 0px;
   min-width: 0px;