edx.org: revises iframe-based register/status buttons to match revised styles

lms/static/sass/_shame.scss

@@ -43,9 +43,14 @@
   text-align: center;
   text-shadow: none;
   font-weight: 500;
+  letter-spacing: 0;
 
-  &.disabled, &[disabled] {
+  &.disabled, &[disabled], &.is-disabled {
     background: $m-gray-d3;
+
+    &:hover {
+      background: $m-gray-d3 !important; // needed for IE currently
+    }
   }
 }
 
@@ -73,6 +78,7 @@
 
   &.disabled, &[disabled] {
     box-shadow: none;
+    background: $m-gray-d3; // needed for IE currently
   }
 }
 
@@ -100,6 +106,7 @@
 
   &.disabled, &[disabled] {
     box-shadow: none;
+    background: $m-gray-d3; // needed for IE currently
   }
 }
 
@@ -142,7 +149,7 @@
   }
 
   .action {
-    @include font-size(16);
+    font-size: 16px;
     font-weight: 500;
 
     // register or access courseware

lms/templates/courseware/mktg_course_about.html

@@ -53,7 +53,7 @@
         %elif allow_registration:
           <a class="action action-register register" href="#">Register for <strong>${course.number}</strong></a>
         %else:
-          <div class="action registration-closed">Registration Is Closed</div>
+          <div class="action registration-closed is-disabled">Registration Is Closed</div>
         %endif
     </li>
   </ul>