diff --git a/solitaire_server/web/game.css b/solitaire_server/web/game.css
index 77d5f86..ff43283 100644
--- a/solitaire_server/web/game.css
+++ b/solitaire_server/web/game.css
@@ -106,6 +106,7 @@ main {
 /* Empty-pile slot markers */
 .slot {
     position: absolute;
+    top: 0; left: 0;   /* explicit insets — without these some browsers offset by padding */
     width: var(--card-w);
     height: var(--card-h);
     border: 2px dashed rgba(255,255,255,0.15);
@@ -187,11 +188,10 @@ main {
     box-shadow: 0 0 0 2px var(--accent), 0 4px 12px rgba(0,0,0,0.5);
 }
 
-/* Recycle indicator on empty stock */
+/* Recycle indicator on empty stock — JS sets transform to position it */
 .recycle-label {
     position: absolute;
-    top: 50%; left: 50%;
-    transform: translate(-50%, -50%);
+    top: 0; left: 0;
     font-size: 26px;
     color: rgba(255,255,255,0.3);
     pointer-events: none;