improve placement of the modal dialog for creating new courses

polynum_blackboard/templates/document_copyrights.new_request.html

@@ -12,13 +12,12 @@
   height: 10em;
 }
 .modal.large {
-  margin: -250px 0px 0px -380px;
+  margin: -300px 0px 0px -380px;
   width: 760px;
 }
 .modal.large .modal-body {
   max-height: 600px;
 }
-
 </style>
 {% endblock %}