--- a/teaching.html	Wed Sep 25 15:15:29 2019 +0100
+++ b/teaching.html	Wed Sep 25 17:12:38 2019 +0100
@@ -23,8 +23,9 @@
       LINK="#0000EF" 
       VLINK="#51188E" 
       ALINK="#FF0000">
+<font face='Tahoma'>
 
-<TABLE WIDTH="100%" 
+    <TABLE WIDTH="100%" 
        BGCOLOR="#4169E1" 
        BORDER="0"   
        FRAME="border"  
@@ -514,5 +515,6 @@
 <P>
 <!-- hhmts start --> Last modified: Thu May 26 23:10:20 BST 2016 <!-- hhmts end -->
 <a href="http://validator.w3.org/check/referer">[Validate this page.]</a>
+</font>
 </BODY>
 </HTML>