diff --git a/src/style.css b/src/style.css
index 812ab4c..84f1d1a 100644
--- a/src/style.css
+++ b/src/style.css
@@ -16,6 +16,12 @@ body {
   height: 100%;
 }
 
+@media screen and (max-width: 700px) {
+  .slots {
+    grid-template-columns: 1fr;
+  }
+}
+
 .slot {
   display: flex;
   flex-direction: column;