Moved styling to sass. Editor now looks like textarea used to.

templates/sass/wiki/_create.scss

@@ -7,7 +7,18 @@ form#wiki_revision {
     display: block;
     margin-bottom: 7px ;
   }
-
+  
+  .CodeMirror-scroll {
+    min-height: 550px;
+    width: 100%;
+  }
+  .CodeMirror {
+    @extend textarea;
+    @include box-sizing(border-box);
+    border: 1px solid black;
+    text-align: left;
+  }
+  
   textarea {
     @include box-sizing(border-box);
     margin-bottom: 20px;

templates/simplewiki_edit.html

@@ -26,18 +26,6 @@ ${"Edit " + wiki_title + " - " if wiki_title is not UNDEFINED else ""}MITx 6.002
 <script type="text/javascript" src="${ settings.LIB_URL }CodeMirror/xml.js"></script>
 <script type="text/javascript" src="${ settings.LIB_URL }CodeMirror/mitx_markdown.js"></script>
 
-<style type="text/css">
-  .CodeMirror-scroll {
-    min-height: 550px;
-    width: 100%;
-  }
-  .CodeMirror {
-    border: 1px solid black;
-    text-align: left;
-  }
-</style>
-
-
 <script>
 	$(function(){
     $(document).ready(function() {