body {
  margin: 0;
  padding: 0;
  background: #FFFFFF;
}

#portada {
    width: 99%;
    height: 500px;
    text-align: center;
}

#portada.img {
    width: 600px;
    height: 400px;
}

#pie {
    width: 99%;
    height: 50px;
    text-align: center;
    margin-top: 30px;
}