Styling, and hoping it looks good on @telling's big screen.

src/sponsors/migrations/0006_auto_20170715_1110.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-07-15 09:10
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sponsors', '0005_sponsor_url'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='sponsor',
+            name='logo',
+            field=models.URLField(help_text='A URL to the logo', max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='sponsor',
+            name='url',
+            field=models.URLField(blank=True, help_text='An URL to the sponsor.', null=True),
+        ),
+    ]

src/sponsors/templates/sponsors.html

@@ -27,24 +27,20 @@ Sponsors | {{ block.super }}
         <div class="page-header">
             <h1>{{ sponsor.tier.name}}</h1>
         </div>
-        <section>
+        <section class="text-center">
 
     {% endifchanged %}
 
-    <div class="sponsor thumbnail">
+    <p class="lead">
         {% if sponsor.url %}
         <a href="{{ sponsor.url }}">
         {% endif %}
-        <img src="{{ sponsor.logo }}" />
+        <img class="img-responsive center-block" src="{{ sponsor.logo }}" />
-
-        <div class="caption">
-            {{ sponsor.description }}
-        </div>
-
         {% if sponsor.url %}
         </a>
         {% endif %}
-    </div>
+        {{ sponsor.description }}
+    </p>
 
     {% if forloop.last == True %}
         </section>