.sidr {display:none}

@media screen and (min-width: 280px) and (max-width: 575px) {
  .sidr {
    display: block;
    position: fixed;
    top: 0;
    height: 100%;
    z-index: 999999;
    width: 260px;
    overflow-x: hidden;
    overflow-y: auto;
    font-family: NexusSansPro;
    font-size: 15px;
    background: white;
    background-color: white;
    color: #333;
    
  }

  .sidr ul li {
    line-height: 48px;
    color: #737373;
    font-size: 16px;
  }

  .sidr ul li a {
    padding: 2px 0;
    border: none;
    display: block;

    color: #737373;
  }

  .sidr.right {
    left: auto;
    right: -260px;
  }

  .sidr.left {
    left: -260px;
    right: auto;
  }

  .sidr.left .titulo-idiomas {
    color: #911a2e;
    background-color: #f5f5f5;
    background-repeat: no-repeat;
    background-size: 18px 18px;
    background-position: top 27px left 80px;
    font-size: 17px;
    text-align: center;
    padding: 30px 0;
  }

  .sidr.left .idiomas ul {
    margin: 20px 0;
    padding: 0 20px;
    text-align: center;
  }

  .sidr.left .idiomas a.active {
    background-color: #f5f5f5;
    border-top: 1px solid #ebebeb;
    border-bottom: 1px solid #ebebeb;
  }

  .sidr.left .infoRevista {
    background-color: #f5f5f5;
    font-size: 14px;
    color: #505050;
    padding: 10px 15px;
  }

  .sidr.left .enlaces {
    padding: 0 20px;
  }

  .sidr.left .enlaces li {
    text-align: left;
    display: block;
    margin: 0;
    line-height: 48px;
    border-top: 1px solid #fff;
    border-bottom: 1px solid #dfdfdf;
    position: relative;
  }

  .sidr.left .enlaces a,
  .sidr.left .enlaces span {
    background-size: 7px 12px;
    background-repeat: no-repeat;
    background-position: right 25px top 44px;
    display: block;
    padding: 25px 0 25px 10px;
  }

  .sidr.left .enlaces span {
    background-size: 12px 7px;
  }

  .sidr.left .enlaces li:last-of-type {
    border-bottom: 0;
  }

  .sidr.left .enlaces li a:hover {
    background-color: #f5f5f5;
    cursor: pointer;
  }

  .sidr.left .enlaces ul li ul {
    display: none;
    animation: growDown 300ms ease-in-out forwards;
    transform-origin: top;
  }
  .sidr.left .enlaces ul li input[type="checkbox"] {
    position: absolute;
    width: 100%;
    height: 95px;
    top: 0;
    left: 0;
  }
  .sidr.left .enlaces ul li input[type="checkbox"]:hover {
    cursor: pointer;
  }

  .sidr.left .enlaces ul li input[type="checkbox"]:checked + ul {
    display: inherit;
  }
}