Studio: revises nav display issue by re-scoping poor Updates Sass rules

cms/static/client_templates/course_info_handouts.html

 <a href="#" class="edit-button"><span class="edit-icon"></span>Edit</a>
 
-<h2>Course Handouts</h2>
+<h2 class="title">Course Handouts</h2>
 <%if (model.get('data') != null) { %>
   <div class="handouts-content">
     <%= model.get('data') %>

cms/static/sass/views/_updates.scss

@@ -3,12 +3,6 @@
 
 body.course.updates {
 
-	h2 {
-		margin-bottom: 24px;
-		font-size: 22px;
-		font-weight: 300;
-	}
-
 	.course-info-wrapper {
 		display: table;
 		width: 100%;
@@ -180,9 +174,10 @@ body.course.updates {
 	border-left: none;
 	background: $lightGrey;
 
-	h2 {
-		font-size: 18px;
-		font-weight: 700;
+	.title {
+		margin-bottom: 24px;
+		font-size: 22px;
+		font-weight: 300;
 	}
 
 	.edit-button {