I had hidden the course summary. Now it is shown again.

theme/orangewhite/styles_color.css

@@ -378,9 +378,9 @@ table.minicalendar {
 #course-view .section .weekdates {
   color:#AAA
 }
-.editing .section .content .summary {
-  background-color:#CCC
-}
+/*.editing .section .content .summary {
+  background-color:#FFF
+}*/
 .categoryboxcontent,
 .courseboxcontent {
   border-color:#DDD;

theme/orangewhite/styles_layout.css

@@ -230,10 +230,7 @@ h6.main {
   border-bottom:1px solid
 }
 .course .section .content .summary {
-  display:none
-}
-.editing .section .content .summary {
-  display:block
+  margin:0 0 0 0.8em
 }
 #course-view .section .content .section .label img {
   margin-right:1em;