checadores/include/header.php

        <nav class="navbar navbar-expand-lg sticky-top navbar-light bg-white">
            <header class="container-fluid">
                <div class="menu">
                    <a class="navbar-brand" href="#"><img id="logo" src="../imagenes/logo_lasalle.png" border="0" class="img-fluid" /></a>
                    
                </div>
            </header>
        </nav>
        <div class="row subMenu">
            <div class="col-12">
                <div class="barra mx-auto"><!--<p class="text-right my-0 pointer"><i class="fas fa-adjust fa-lg"></i></p>--></div>
            </div>
        </div>