fix height of subnavbar

src/client/styles/scss/_subnav.scss

@@ -69,7 +69,11 @@
    * Compact Mode
    */
   &.grw-subnav-compact {
-    min-height: 90px;
+    min-height: 70px;
+
+    @include media-breakpoint-up(md) {
+      min-height: 90px;
+    }
 
     .btn-like,
     .btn-bookmark {