Start from envelope Django template

core/templates/registration/signup.html

@@ -0,0 +1,25 @@
+{% extends "base.html" %}
+{% load static %}
+{% load crispy_forms_tags %}
+
+{% block content %}
+  <section class="hero is-fullheight">
+    <div class="hero-body">
+      <div class="container">
+        <div class="columns is-centered">
+          <div class="column is-5-tablet is-4-desktop is-3-widescreen">
+            <form method="POST" class="box">
+              {% csrf_token %}
+              {{ form|crispy }}
+              <div class="field">
+                <button class="button is-success">
+                  Sign up
+                </button>
+              </div>
+            </form>
+          </div>
+        </div>
+      </div>
+    </div>
+  </section>
+{% endblock %}