diff --git a/index.html b/index.html
index 56a3fcf..171a9f8 100644
--- a/index.html
+++ b/index.html
@@ -10,7 +10,7 @@
   <script src="./node_modules/uikit/dist/js/uikit-icons.min.js"></script>
   <style>
     #release-tab.uk-active {
-      position:absolute;display: inline-block;width: 100%;height: 100%;
+      position:absolute;display: inline-block;width: 100%;height: calc(100vh - 110px);
     }
     #controller-tab h3 label,
     #experimental-tab h3 label {