@media only screen and (max-width: 670px) {
  
  body {
    background-color: var(--negro);
    color: var(--blanco);
  }
  
  .cajaTxt {
    width: 90%;
    margin: 0% 5%;
  }

  header {
    margin: 0% 0%;
  }

  nav {
    width: 100%;
    margin: 1% 0% 1%;
    border-radius: 10px 10px 10px 10px;
    background-color: var(--blanco);
  }

  a.esteMenu {
    display: flex;
    justify-content: center;
  }

  .menuLaberinto .menuResponsivo {
    display: none;
  }

  .menuLaberinto ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
  } 

  .menuResponsivo.responsivo {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
  }

  .menuLaberinto a {
    flex: 90%;
    flex-wrap: nowrap;
    padding: 1.5% 0%;
    font: normal 3.2vw/1.3em 'Alegreya', serif;
    text-align: center;
    text-decoration-line: none;
    color: var(--negro);
  }

  .menuLaberinto a:hover {
    background-color: var(--negro);
    color: var(--blanco);
    border-radius: 0px;
  }

  .menuLaberinto .activo {
    background-color: var(--negro);
    color: var(--blanco);
  }

  .ornaMenu {
    font-size: .5em;
    color: var(--negro);
  }  

  main {
    margin: 2% 0%;
  }

  h1 {
    font-size: 8vw;
    padding: 3% 0% 0%;
  }

  h2 {
    font-size: 5vw;
    padding: 0%;
  }

  h4 {
    width: 100%;
    text-align: justify-center;
    font-size: 3vw;
    padding: 5% 0%;
  }

  header span {
    font: normal italic normal 3vw/1.4em 'Alegreya', serif;
    padding: 1% 0%;
    text-align: center;
  }

    p {
    font: normal 1em/1.4em 'Alegreya', serif;
    width: 80%;
    margin: 2% 0%;
    padding: 0% 5%;
  }

  pre {
    font-size: 4vw;
  }

  .ornamenta {
    font: normal 4vw/1em 'Alegreya', serif;
  }

  .botones {
    width: 100%;
    padding: 3% 0%;
    margin: 2% 0%;
    border-radius: 10px;
  }

  .botones div {
    width: 45%;
    margin: 1% 1%;
    height: 13vh;
    background-color: var(--blanco);
    border-radius: 10px;
  }

  #primerBoton {
    background-image: url(img/mundi.jpg);
    background-position: 0% 50%;
    background-blend-mode: exclusion;
  }

  #primerBoton:hover {
    background-color: #ab0033;
  }

  #segundoBoton {
    background-image: url(img/temaPiedad.jpg);
    background-position: 0% 3%;
    background-color: #FFB6C1;
    background-blend-mode: difference;
  }

  #segundoBoton:hover{
    background-color: #4682B4;
  }

  #tercerBoton {
    background-image: url(img/cristoZurbaran.jpg);
    background-position: 0% 25%;
    background-blend-mode: difference;
    background-color: #663399;
  }

  #tercerBoton:hover {
    background-blend-mode: luminosity;
  }

  #laberintoBoton {
    background-image: url(img/Gentileschi.jpg);
    background-position: 90% 20%;
    mix-blend-mode: difference;
  }

  button {
    font: normal normal normal 3.3vw/1.2em 'Flamenco', monospace;
    padding: 5% 10%;
    border-width: 0px;
    border-radius: 5px;
  }

  .botones #orginialLaberinto {
    width: 90%;
    margin: 2% 5%;
    padding: 10% 20%;
    height: 10vh;
    border-radius: 10px;
  }

  #orginialLaberinto:hover {
    background-color: #4682B4;
    background-blend-mode: difference;
  }

  footer {
    width: 100%;
    height: auto;
    color: var(--negro);
    background-image: url(img/fondoNegro.jpg);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px 10px 0px 0px;
  }

  footer .fDeli {
    flex: 100%;
  }

  footer a {
    text-decoration-line: none;
  }

  footer .fDeli h3 {
    width: 100%;
    margin: 0% 0%;
    font: normal 4vw/1em 'Ysabeau', serif;
    text-align: center;
    color: var(--blanco);
    font-weight: 200;
    padding: 2% 5%;
  }

  footer .fDeli .deliT { 
    font-family: 'Ysabeau SC', serif;
  }

  footer nav {
    display: none;
  }

  footer .fRS {
    display: none;
  }

  .fRS a {
    display: none;
  }

  footer .fRS p {
    font: normal 2.5vw/1.2em 'Flamenco', serif;
    color: var(--blanco);
  }
  
}