diff --git a/src/gameservers/templatetags/__init__.py b/src/gameservers/templatetags/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/gameservers/templatetags/server_utils.py b/src/gameservers/templatetags/server_utils.py
new file mode 100644
index 0000000..75b5a3e
--- /dev/null
+++ b/src/gameservers/templatetags/server_utils.py
@@ -0,0 +1,12 @@
+
+from django import template
+from django.utils import timezone
+
+register = template.Library()
+
+
+@register.filter
+def hours_since_now(timestamp):
+    delta = timezone.now() - timestamp
+    return delta.total_seconds() / 3600.0
+
diff --git a/src/templates/gameservers/server_list.html b/src/templates/gameservers/server_list.html
index a622818..0a8d1c4 100644
--- a/src/templates/gameservers/server_list.html
+++ b/src/templates/gameservers/server_list.html
@@ -1,5 +1,6 @@
 {% extends "base_site.html" %}
 {% load staticfiles %}
+{% load server_utils %}
 
 {% block title %}
     Index
@@ -15,7 +16,15 @@
         </thead>
         <tbody>
             {% for server in server_list %}
+                {% with delta_hours=server.last_updated|hours_since_now %}
+                    {% if delta_hours > 24 %}
+                <tr class="danger">
+                    {% elif delta_hours >= 1 %}
+                <tr class="warning">
+                    {% else %}
                 <tr>
+                    {% endif %}
+                {% endwith %}
                     <th>{{server.players_current}}</th>
                     <th>
                         <a href="{% url 'gameservers:detail' pk=server.id slug=server %}">