html,
body {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;

  }

a {
  color: inherit;
  text-decoration: none;
}

* {
  box-sizing: border-box;
}

#contenido{
  margin:3%;
  text-align: center;
  min-height: 430px;
  max-width: 500px;
  margin-left: 7%;
  margin-right: 7%;
  padding-top: 30px;
  font-family: 'Calibri','Ginebra','Verdana', serif;
  border-width: 0px;
  font-size: large;
}


#subtitulo{
  color:#1B3D70;
  font-family: 'Calibri','Ginebra','Verdana', serif;
  font-size:X-large;
  text-align: center;
  font-weight: bold;
}

#radio,#botones{
  margin-top: 50px;
  font-size:larger;
  font-weight: bold;
  color: #644F0C;
}