diff --git a/assets/arena.html b/assets/arena.html
index 1454448d..39bd59ce 100644
--- a/assets/arena.html
+++ b/assets/arena.html
@@ -356,6 +356,11 @@
     }
 
     @media screen and (max-width: 768px) {
+      body {
+        height: calc(100vh - 56px);
+        height: 100dvh;
+      }
+
       .container {
         padding: 3px;
       }
diff --git a/assets/playground.html b/assets/playground.html
index ec131334..ef6adcba 100644
--- a/assets/playground.html
+++ b/assets/playground.html
@@ -434,6 +434,11 @@
     }
 
     @media screen and (max-width: 768px) {
+      body {
+        height: calc(100vh - 56px);
+        height: 100dvh;
+      }
+
       .container {
         padding: 3px;
       }