diff --git a/gorge.css b/gorge.css
index d09762b..61c5e55 100644
--- a/gorge.css
+++ b/gorge.css
@@ -270,7 +270,7 @@ button {
   max-height: 20%;
   padding-bottom: 75px;
   overflow-x: hidden;
-  overflow-y: scroll;
+  overflow-y: overlay;
 }
 
 #upgrade-tooltip {
@@ -325,6 +325,9 @@ button {
   background-color: #444;
   transition: 0.2s;
   text-align: center;
+  border: 2px;
+  border-style: solid;
+  border-color: black;
 }
 
 .upgrade-button > .fas {
@@ -338,6 +341,7 @@ button {
 
 .upgrade-button:hover {
   background-color: #999;
+  border-color: #888;
 }
 
 .upgrade-button-inactive {