diff --git a/php/public/style.css b/php/public/style.css
index b35883d0..9c12b0f6 100644
--- a/php/public/style.css
+++ b/php/public/style.css
@@ -174,6 +174,11 @@ span.running {
     background-color: var(--color-running);
 }
 
+.container-update-warning {
+    color: #ff6b00;
+    font-weight: bold;
+}
+
 div.toast.success {
     border-left-color: var(--color-success);
 }
diff --git a/php/templates/components/container-state.twig b/php/templates/components/container-state.twig
index 67ea9326..8b1f0d8f 100644
--- a/php/templates/components/container-state.twig
+++ b/php/templates/components/container-state.twig
@@ -18,7 +18,7 @@
       (<a target="_blank" href="{{ c.documentation }}">docs</a>)
     {% endif %}
     {% if c.GetUpdateState().value == 'different' %}
-      <span style="color: #ff6b00; font-weight: bold;">⚠️ Update available</span>
+      <span class="container-update-warning">⚠️ Update available</span>
     {% endif %}
   </span>
   {% if c.GetUiSecret() != '' %}