class for copyright line

git-svn-id: https://svn.apache.org/repos/asf/ant/antlibs/common/trunk@1064449 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/style.css b/style.css
index 8b66a62..fad28a3 100644
--- a/style.css
+++ b/style.css
@@ -52,3 +52,12 @@
 pre {
    background-color: efefef;
 }
+
+.copyright {
+    font-family: arial,helvetica,sanserif;
+    font-size: 90%;
+    clear: both;
+    text-align: center;
+    margin: 0px;
+    border-top: thin solid #4C6C8F;
+}