Helios: fixes a UI glitch with tab labels

css/helios.css

@@ -120,6 +120,7 @@ body[id="helios"] .dialog .nav a span {
   background-position: center left;
   background-repeat: no-repeat;
   background-position: 0px center;
+  height: 22px;
 }
 body[id="helios"] .navbar-fixed-top i.close {
   width: 14px;

css/helios.less

@@ -145,6 +145,7 @@ body[id="helios"] {
 		background-position: center left;
 		background-repeat: no-repeat;
 		background-position: 0px center;
+		height: 22px;
 	}
 
 	.navbar-fixed-top i.close {