Stylistic changes for goodreads import

fedireads/templates/import.html

@@ -1,10 +1,12 @@
 {% extends 'layout.html' %}
 {% block content %}
-<div id="content">
+<div class="content-container">
+    <h2>Import Books from GoodReads</h2>
     <form name="import" action="/import_data/" method="post" enctype="multipart/form-data">
         {% csrf_token %}
         {{ import_form.as_p }}
         <button type="submit">Import</button>
+        <small>Hang tight, this may take a minute!</small>
     </form>
 </div>
 {% endblock %}