mejorame este codigo: <!DOCTYPE html> <html lang="es"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Jaime Crespo</title> <link rel="stylesheet" href="css/font-awesome.min.css"> <link rel="stylesheet" href="css/normalize.css"> <link rel="stylesheet" href="css/bootstrap.min.css"> <link rel="stylesheet" href="css/style.css"> <link rel="stylesheet" href="estilocarrousel.css"> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script> <script>window.jQuery || document.write('<script src="js/jquery-1.11.2.min.js"><\/script>')</script> <script src="js/modernizr.js"></script> <script src="js/bootstrap.min.js"></script> <script src="js/main.js"></script> </head> <!--======================================== Boton ir arriba ========================================--> <i class="btn-up fa fa-arrow-circle-o-up hidden-xs"></i> <!--======================================== Navegación ====== | A shadcn/ui and v0 generation - v0