<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <h2>SLIM</h2> <p>FUnção Collapse</p> <div class="card"> <button type="button" class="btn btn-primary" data-toggle="collapse" data-target="#demo">Serviços para Empresas</button> <div id="demo" class="collapse"> <p></p> <button type="button" class="btn btn-primary">Abrir</button> <button type="button" class="btn btn-primary">Alterar</button> <button type="button" class="btn btn-primary">Encerrar</button> <p></p> <button type="button" class="btn btn-primary">Consultar Processos</button> <button type="button" class="btn btn-primary">Renovação de Licenças</button> <button type="button" class="btn btn-primary">Outros</button> </div> <p></p> </div> <div class="card"> <button type="button" class="btn btn-primary" data-toggle="collapse" data-target="#demo2">Serviços para Autônomos</button> <div id="demo2" class="collapse"> <p></p> <button type="button" class="btn btn-primary">Abrir</button> <button type="button" class="btn btn-primary">Alterar</button> <button type="button" class="btn btn-primary">Encerrar</button> <p></p> <button type="button" class="btn btn-primary">Consultar Processos</button> <button type="button" class="btn btn-primary">Renovação de Licenças</button> <button type="button" class="btn btn-primary">Outros</button> </div> </div> </div>