diff --git a/servers/php/displaymap-dark.php b/servers/php/displaymap-dark.php
index a244e71..4bfce45 100644
--- a/servers/php/displaymap-dark.php
+++ b/servers/php/displaymap-dark.php
@@ -17,7 +17,7 @@
         to change themes, select a theme here:  http://www.bootstrapcdn.com/#bootswatch_tab 
         and then change the word after 3.2.0 in the following link to the new theme name
     -->    
-    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootswatch/3.2.0/slate/bootstrap.min.css">
+    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootswatch/3.2.0/darkly/bootstrap.min.css">
     <link rel="stylesheet" href="css/styles.css">
             
 </head>
@@ -56,4 +56,4 @@
     </div>       
 </body>
 </html>
-    
\ No newline at end of file
+