diff --git a/herzle.html b/herzle.html
index 9a58cf5..bf2bc1c 100644
--- a/herzle.html
+++ b/herzle.html
@@ -14,6 +14,7 @@
       bottom: 10%;
       -webkit-transform: rotate(90deg);
       -moz-transform: rotate(90deg);
+      border-style: solid; border-width: 1px;
     }
     #enemy {
       position: absolute;