@media(max-width: 991px) {
  body {
  background-image: url("../imagenes/mapafondo.png");
  background-repeat: no-repeat;
   background-size: auto 100%;
  }
  .ifr2{
    height: auto;
  }
  .padd3{
    padding-top:5px;
  }
  .grandeinicio{
          font-size:110%;
  }
  .cl{
    margin-top:0px;
  }
  .ancho33{
    width:98%;
    margin-left:1%;
    margin-right:0px;
  }
  .d3 {
    width:95%;
    margin-top:30px;
  }
h1 {
  font-size:130%;
}
  main {
    padding: 100px 0 20px;
  }

  .smm__container {
    padding: 3px 0;
  }

  .smm__container--open {
    position: fixed;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    overflow-y: auto;
    padding: 65px 65px 15px;
    background-color: rgba(255,255,255,.9);
  }

  .smm__container--open .smm__collapse {
    display: block;
    flex-grow: 0;
    padding-left: 0;
  }

  .smm__container--open .smm__logo-wrapper {
    margin-bottom: 15px;
    text-align: center;
  }

  .smm__toggle--open {
    position: fixed;
    top: 15px;
    right: 15px;
  }

  .smm__toggle--open > .fa:before {
    content: "\f00d";
  }

  .smm__collapse {
    display: none;
  }

  .smm__primary-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  ul.smm__primary-menu {
    margin-bottom: 30px;
  }

  .smm__primary-menu li > a {
    padding: 10px 12px;
  }

  .smm__secondary-menu {
    text-align: center;
  }
}

@media(max-width: 991px) and (max-height: 479px) {

  .smm__container--open {
    justify-content: flex-start;
  }
}