diff --git a/theme/orangewhite/styles_font.css b/theme/orangewhite/styles_font.css
index 4b2f359de24..f3e8eadb7e1 100644
--- a/theme/orangewhite/styles_font.css
+++ b/theme/orangewhite/styles_font.css
@@ -374,16 +374,12 @@ TABLE.cal_controls td {
 	font-size:90%;
 }
 
-.sideblockheading {
+.sideblock.header {
 	font-weight:bold;
 }
 
-.sideblocklinks { }
+.sideblock .links { }
 
-td.sideblockmain center, td.sideblockmain p, td.sideblockmain div {
+td.sideblock .content {
   text-align:left;
-}
-
-
-/* course summary */
-#block_course_summary .sideblockmain { }
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/theme/orangewhite/styles_layout.css b/theme/orangewhite/styles_layout.css
index caa7c8159aa..2f5885e10a2 100644
--- a/theme/orangewhite/styles_layout.css
+++ b/theme/orangewhite/styles_layout.css
@@ -740,7 +740,7 @@ table.calendar-controls .next
     border:0 none;
 }
 
-.sideblock .heading {
+.sideblock .header {
     background-image:none;
     padding:0px 5px;
     border:0 none;