Fix margin

app/templates/app/base.html

@@ -60,7 +60,7 @@
     <!-- Hide top nav bar -->
     <style type="text/css">
         .navbar-header { display: none; }
-        #navbar-top .navbar-default.sidebar{ top: 0; position: fixed; }
+        #navbar-top .navbar-default.sidebar{ top: 0; position: fixed; margin-top: 1px; }
         #navbar-top { height: 0; min-height: 0; }
         .map-view { height: calc(100% + 30px) !important; }
         .model-view { height: calc(100% + 50px) !important; }