diff --git a/card.css b/card.css
index 28c4324..6080208 100644
--- a/card.css
+++ b/card.css
@@ -79,7 +79,7 @@ body {
   overflow: hidden;
 }
 .card::after {
-
+    box-sizing: border-box;
     overflow: visible;
     position: absolute;
     top: 0.0rem;