Update site/content/docs/5.3/components/orange-navbar.md

add col-3

Co-authored-by: Julien Déramond <julien.deramond@orange.com>

site/content/docs/5.3/components/orange-navbar.md

@@ -356,7 +356,7 @@ You can add a search input into your Global header.
  ...
 
  <!-- Navbar with action icons -->
- <form class="d-flex d-none d-lg-flex navbar-item" role="search">
+ <form class="d-flex d-none d-lg-flex col-3 navbar-item" role="search">
  <input class="form-control bg-transparent text-white border border-2 border-dark" type="search" placeholder="Search" aria-label="Search">
  </form>
  <div id="global-header-5.2" class="navbar-collapse collapse d-sm-flex global-header-5">