Refactor .content-inner div to wrap all content blocks

templates/pages/auth/signup.html

@@ -1,7 +1,6 @@
 {% extends 'layouts/index.html' %}
 
 {% block content %}
-    <div class="content-inner">
         {% with messages = get_flashed_messages() %}
             {% if messages %}
                 <div class="notification is-danger">
@@ -36,5 +35,4 @@
         <p class="form-subtext">
             Already have a login? <a href="{{ url_for('main.login') }}">Login</a> instead!
         </p>
-    </div>
 {% endblock content %}