Fix

index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <title>RGB Hub</title>
     <link rel="stylesheet" type="text/css" href="css/LEDs.css">
-    <link rel="stylesheet" type="text/css" href="css/sideBar.css">
+    <link rel="stylesheet" type="text/css" href="css/sidebar.css">
 
     <script src="js/LED.js"></script>