diff -Naur standard_moodle/core.css my_moodle/core.css
--- standard_moodle/core.css	2011-04-08 12:33:55.953035315 -0700
+++ my_moodle/core.css	2011-04-08 12:34:16.293035315 -0700
@@ -160,6 +160,11 @@
     color: #251c17;
 }
 
+h2.headingblock::selection {
+    background:#da5013;
+    color:#fff;
+}
+
 .course-content .main {
     background: #f7f5f1;
     border: 1px solid #ddd