disk border

css/black.css

@@ -58,7 +58,7 @@ color: black;
 }
 
 .disk {
-  border: 1px solid white;
+  border: 1px solid black;
   width: 150px;
   padding: 0px;
 }

css/blue.css

@@ -58,7 +58,7 @@ color: black;
 }
 
 .disk {
-  border: 1px solid white;
+  border: 1px solid black;
   width: 150px;
   padding: 0px;
 }

css/white.css

@@ -58,7 +58,7 @@ color: black;
 }
 
 .disk {
-  border: 1px solid white;
+  border: 1px solid black;
   width: 150px;
   padding: 0px;
 }