changed tempalte design

application/templates/post_edit.html

@@ -1,9 +1,13 @@
 {% extends 'base.html' %}
 
 {% block content %}
-    <h1>Artikel-Editor</h1>
-    <form method="POST" class="post-form">{% csrf_token %}
+<div class="row">
+    <div class="mx-auto">
+        <h1>Artikel-Editor</h1>
+        <form method="POST" class="mt-5 post-form">{% csrf_token %}
             {{ form.as_p }}
-        <button type="submit" class="save btn btn-outline-dark">Sichern</button>
-    </form>
+            <button type="submit" class="save btn btn-outline-dark">Sichern</button>
+        </form>
+    </div>
+</div>
 {% endblock %}