diff --git a/doc/boost.css b/doc/boost.css
index c382d4c6..cf5c8a97 100644
--- a/doc/boost.css
+++ b/doc/boost.css
@@ -23,10 +23,12 @@ BODY
 PRE
 {
     MARGIN-LEFT: 2pc;
+    FONT-SIZE: 80%;
     BACKGROUND-COLOR: #dfffff
 }
 CODE
 {
+    FONT-SIZE: 95%;
      white-space: pre
 }
 .index