<form class="form-inline ml-3"> <div class="input-group input-group-sm"> <input class="form-control form-control-navbar" type="search" name="q" placeholder="{{ 'Search'|trans({}, 'AdminLTEBundle') }}" aria-label="{{ 'Search'|trans({}, 'AdminLTEBundle') }}"> <div class="input-group-append"> <button class="btn btn-navbar" type="submit"> <i class="fas fa-search"></i> </button> </div> </div></form>