Use "slide" style be default on teacher cover

Author: jordanmccullough

_layouts/curriculum.html

@@ -66,9 +66,9 @@ <h4 class="modal-title" id="timerModalLabel">Help / Shortcuts</h4>
 </div>
 
 <div class="col-content deck  col-md-12 col-sm-12 col-xs-12 materials curriculum shift-left">
-  <div id="teacher" class="hidden">
+  <div id="teacher" class="slide hidden">
     <div class="alignment">
-      <div id="teacher-avatar" class=""></div>
+      <div id="teacher-avatar"></div>
       <div class="" id="teacher-info">
 
         <h3 id="teacher-name"></h3>