h1{
  font-size: min(3em, 6vw);
}
.campoFormulario{
  max-width: 20em;
  flex-direction: column;
}
.campoFormulario label, .campoFormulario select, .campoFormulario a, .campoFormulario input, .campoFormulario p{
  width: 100%;
}
.campoFormulario p{
  width: 100%;
}
.campoFormulario .boton{
  margin:0.5em;
}
.error{
  text-align: center;
  text-transform: uppercase;
}
.boton{
  padding:0.8em 0.5em;
}