small shadow for inactive tabs

css/helios.css

@@ -157,7 +157,7 @@ body[id="helios"] .dialog .nav a span.inspector {
 body[id="helios"] .navbar-fixed-top .navbar-inner {
   min-height: 20px;
   border-bottom: 1px solid #666;
-  box-shadow: 0 0 0;
+  box-shadow: inset 0px 2px 2px #aaa;
   background: #bababa;
 }
 body[id="helios"] .navbar .nav > li {

css/helios.less

@@ -187,7 +187,7 @@ body[id="helios"] {
 	.navbar-fixed-top .navbar-inner {
 		min-height: 20px;
 		border-bottom: 1px solid #666;
-		box-shadow: 0 0 0;
+		box-shadow: inset 0px 2px 2px #aaa;
 		background: #bababa;
 	}