styling password reset accepted page

opentech/apply/users/templates/users/password_reset/done.html

 {% extends "base.html" %}
 {% load i18n %}
-
+{% block header_modifier %}header--light-bg{% endblock %}
+{% block page_title %}Check your email{% endblock %}
 {% block title %}{% trans "Reset password" %}{% endblock %}
 
 {% block content %}
-    <h1>{% trans "Check your email" %}</h1>
-    <p>{% trans "A link to reset your password has been emailed to you." %}</p>
+    <div class="wrapper wrapper--small wrapper--bottom-space">
+        <p>{% trans "A link to reset your password has been emailed to you." %}</p>
+    </div>
 {% endblock %}