diff --git a/web/src/style.scss b/web/src/style.scss
index 400e4ed..8b9914a 100644
--- a/web/src/style.scss
+++ b/web/src/style.scss
@@ -3,7 +3,6 @@
 $view-container-side-offset: 5%;
 $param-container-side-offset: 5%;
 $img-hand-height: 95%;
-/*$img-pile-width: 95%;*/
 $hand-height: 14%;
 
 *, *::before, *::after {
@@ -156,6 +155,14 @@ aside {
     height: calc(($img-hand-height / 100%) * ($hand-height / 100%) * 100vh);
 }
 
+.in-play-card[data-owned = true] {
+    border: 1px solid #0ff7;
+}
+
+.in-play-card[data-owned = false] {
+    border: 1px solid #f007;
+}
+
 [data-tapped = true] {
     transform: translate(-50%, -50%) rotate(90deg);
 }