
<header>
    <nav class="navbar navbar-expand-sm bg-warning navbar-dark " style="background-image: linear-gradient(to right, #6C42FC , #E64789);">
        <p class="navbar-brand" href="#" style="padding-right: 3%;font-size:xxx-large;font-weight: 1000; margin-left: 1%; text-align: center ;padding-top: 1%;">AM II</p>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="collapsibleNavbar" >
            <ul class="navbar-nav"   >
                <li class="nav-item active" ><a class="nav-link" href="/" >Home</a></li>
                <li class="nav-item " ><a class="nav-link" href="/cadastro" >Cadastro</a></li>
                <li class="nav-item "><a class="nav-link" href="/about">Sobre</a></li>
            </ul>
        </div>
    </nav>
</header>