Hi, I have a problem with the css style sheet that having boostrap the changes I put in the css sheet does not do anything.
<head>
<title>Pruebas Javascript</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script>
<script language="JavaScript" src="funciones.js"></script>
<LINK REL="stylesheet" TYPE="text/css" href="estilos.css">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, minimum-scale=1.0">
</head>
<body>
<div align="center">
<h1>Formulario</h1>
<form class="form-horizontal">
Escribe tu <label>nombre </label> <input id="nombre" type="text" name="nombre" required> <br><br> Escribe tus <label>apellidos </label> <input id="apellidos" type="text" name="apellidos" required><br><br> Escribe tu <label>edad </label><input id="edad"
type="text" name="edad" required><br><br>
<label>Sexo</label><br> Masculino <input type="radio" name="sexo" value="Masculino"> Femenino <input type="radio" name="sexo" value="Femenino"><br><br>
<div name="aficiones">
<input type="checkbox" name="aficion" value="1"> Tenis <br>
<input type="checkbox" name="aficion" value="2"> Futbol <br>
<input type="checkbox" name="aficion" value="3"> Baloncesto <br>
<input type="checkbox" name="aficion" value="4"> Motociclismo
</div>
<input type="submit" id="boton" name="boton" value='Aceptar' class="btn btn-primary" onclick="mostrar()">
</form>
</div>
</body>