Index: src/main/java/common/javax/swing/text/html/default.css
===================================================================
--- src/main/java/common/javax/swing/text/html/default.css (revision 563074)
+++ src/main/java/common/javax/swing/text/html/default.css (working copy)
@@ -86,4 +86,8 @@
big {
font-size: larger;
-}
\ No newline at end of file
+}
+
+center {
+ text-align: center;
+}