diff --git a/public/css/building.css b/public/css/building.css
index c0c897f..ca56f5b 100644
--- a/public/css/building.css
+++ b/public/css/building.css
@@ -264,7 +264,7 @@ body {
   display: grid;
 
   grid-template-columns: repeat(8, 70px);
-  grid-template-rows: repeat(4, 70px);
+  grid-auto-rows: 70px;
 
   gap: 8px;
 
@@ -299,6 +299,11 @@ body {
 
 .equip-slot.drag-over {
   outline: 2px solid gold;
+  filter: brightness(1.3);
+}
+
+.equip-slot:empty {
+  opacity: 0.7;
 }
 
 .item-common {
@@ -322,6 +327,7 @@ body {
   width: 80%;
   height: 80%;
   object-fit: contain;
+  pointer-events: none;
 }
 
 /* =========================