Cosmetic fixes

[SVN r23711]

tools/regression/xsl_reports/xsl/html/master.css

@@ -163,6 +163,19 @@ table.summary-table
     text-decoration: underline;
 }
 
+td.runner
+{
+    color: black;
+    font-weight: bold;
+    border-top: 1px solid black;
+}
+
+td.timestamp
+{
+    color: black;
+    border-bottom: 1px solid black;
+}
+
  td.toolset-name
 ,td.required-toolset-name
 {