Ejemplo
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<!doctype html> <html> <head> <title>Prueba de Bootstrap 4</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"> </head> <body> <div class="container"> <h1>Tutorial de Bootstrap 4 <span class="badge badge-pill badge-warning">Nuevo</span></h1> <button type="button" class="btn btn-primary"> Mensajes<span class="badge badge-pill badge-light ml-1">4</span> </button> </div> </body> </html>
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