diff --git a/src/baby_monitor/static/index.html b/src/baby_monitor/static/index.html
index c3e3370..c1f974b 100644
--- a/src/baby_monitor/static/index.html
+++ b/src/baby_monitor/static/index.html
@@ -180,8 +180,8 @@
         font-size: 1.1rem;
       }
       .activity-grid {
-        display: grid;
-        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+        display: flex;
+        flex-direction: column;
         gap: 1rem;
       }
       .activity-card {