diff --git a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/www/index.html b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/www/index.html
index f0c9a0e..0b8e067 100644
--- a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/www/index.html
+++ b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/www/index.html
@@ -4,7 +4,7 @@
     <title>Flexi Time Data Viewer</title>
     <link rel="shortcut icon" href="favicon.ico" />
 
-    <link rel="stylesheet preload" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"/>
     <!--<link rel="stylesheet preload" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.6.1/css/bootstrap-datepicker3.min.css"/>-->
     <link href="spa.min.css" rel="stylesheet" />
     <link href="css/knockout.contextmenu.css" rel="stylesheet" type="text/css"/>