modified rail color

lib/views/layout/layout.html

@@ -16,6 +16,8 @@
 
   {{ customHeader() }}
 
+
+  <!-- Side Scroll Bar-->
   <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/jQuery-slimScroll/1.3.8/jquery.slimscroll.min.js"></script>
   <script>
@@ -24,7 +26,7 @@
     var h = window.innerHeight - document.getElementById('page-header').clientHeight - 32;
     $('#revision-toc-content').slimScroll({
       railVisible: true,
-      railColor: '#f00',
+      railColor: '#A9D0F5',
       position: 'right',
       height: h,
     });