improves communication of current selection in the courseware index sidebar

static/css/application.css

@@ -2970,7 +2970,8 @@ section.course-index div#accordion ul.ui-accordion-content {
   border: none;
   border-bottom: 1px solid #c3c3c3;
   font-size: 12px;
-  margin: 0; }
+  margin: 0;
+  padding: 1em 1.5em; }
 section.course-index div#accordion ul.ui-accordion-content li {
   background: transparent;
   border: 1px solid transparent;

templates/sass/courseware/_sidebar.scss

@@ -28,7 +28,6 @@ section.course-index {
         &.ui-state-active {
           @include background-image(linear-gradient(-90deg, rgb(245,245,245), rgb(225,225,225)));
           @extend .active;
-          //@include box-shadow(0 1px 3px 0 rgba(0,0,0, 0.15));
         }
       }
     }
@@ -41,6 +40,7 @@ section.course-index {
       border-bottom: 1px solid #c3c3c3;
       font-size: 12px;
       margin: 0;
+      padding: 1em 1.5em;
 
       li {
         background: transparent;