diff --git a/styles/simple.css b/styles/simple.css
index e925f788..fa959565 100644
--- a/styles/simple.css
+++ b/styles/simple.css
@@ -1134,7 +1134,10 @@ ul, li {
   border-image-width: 4px;
   border-image-outset: 0px;
 }
-
+  #controls .control-tools {
+    max-height: calc(100vh - 156px);
+    height: auto;
+}
 #controls .scene-control.active, #controls .control-tool.active, #controls .scene-control:hover, #controls .control-tool:hover {
   background: rgba(72, 46, 28, 1);
   background-origin: padding-box;