Fit brand image into container.

services/web/public/stylesheets/components/navbar.less

@@ -382,9 +382,10 @@
 
   .navbar-brand {
     background-image: url('/img/logo.png');
-    background-size: 135px 16px;
+    background-size: contain;
     background-repeat: no-repeat;
-    height: 16px;
+    background-position: left center;
+    height: 37px;
     margin-top: 10px;
     padding: 0;
     width: 135px;