Fix mobile menu

Author: smnandre

ux.symfony.com/assets/styles/sections/_nav.scss

@@ -107,7 +107,6 @@
   }
 }
 
-
 .AppNav_badge {
   position: absolute;
   color: lightskyblue;
@@ -122,4 +121,14 @@
   height: 1rem;
   line-height: normal;
 }
+@media (max-width: 859px) {
+  .AppNav_badge {
+    display: none;
+  }
+}
 
+@media (max-width: 360px) {
+  .ThemeSwitcher + .AppNav_item {
+    display: none;
+  }
+}