.titulo-noticias {
  border-bottom: solid 1px #000;
}
table {
  margin-left: 2em;
  margin-right: 2em;
}
@media (max-width: 600px) {
  .contenedor-principal h2 {
    font-size: 2em;
  }
  table {
    margin-left: 0;
    margin-right: 0;
  }
}
@media (min-width: 601px) and (max-width: 992px) {
  .contenedor-principal h2 {
    font-size: 2em;
  }
  table {
    margin-left: 0;
    margin-right: 0;
  }
}
@media (min-width: 993px) and (max-width: 1200px) {
}
@media (min-width: 1201px) {
}