Try 1.

scipost/templates/scipost/donation_thank_you.html

+{% extends 'scipost/base.html' %}
+
+{% block pagetitle %}: acknowledgement {% endblock pagetitle %}
+
+{% block content %}
+
+<div class="row justify-content-center">
+    <div class="col-12 col-md-8 col-lg-6">
+      <h1 class="highlight">Thank you</h1>
+      <p>Thank you for supporting SciPost. We will keep you continuously updated on any developments on our website, on Twitter at <a href="https://twitter.com/scipost_dot_org">@scipost_dot_org</a>, and via our <a href="{% url 'news:news' %}">News page</a>.</p>
+      <a href="{% url 'journals:publications' %}">See latest Publications of SciPost<a>
+    </div>
+</div>
+
+{% endblock %}

scipost/urls.py

@@ -28,6 +28,7 @@ urlpatterns = [
     # Info
     url(r'^about$', views.AboutView.as_view(), name='about'),
     url(r'^call$', TemplateView.as_view(template_name='scipost/call.html'), name='call'),
+    url(r'^donations/thank-you/$', TemplateView.as_view(template_name='scipost/donation_thank_you.html'), name='donation_thank_you'),
     url(r'^ExpSustDrive2018$',
         TemplateView.as_view(template_name='scipost/ExpSustDrive2018.html'),
         name='ExpSustDrive2018'),