diff --git a/static/c4.css b/static/c4.css
index b80be1d..c5a403f 100644
--- a/static/c4.css
+++ b/static/c4.css
@@ -93,8 +93,9 @@ h1, h1 a  {
 }
 
 #mapgrid {
-    outline: 2px solid #dfaa37;
-    background: #dfaa3780;
+    outline: 2px solid #333;
+    background-color: #dfaa37;
+    border-radius: 4px;
     animation: blinker 1s infinite;
 }