@media (max-width:850px) {
  .grid_nav{
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    justify-content: space-between;
    grid-gap: 25px;
  }
  .grid_nav .ops{
    display: flex;
  }

  /*NAV*/
  .grid_nav nav{
    position: fixed;
    background: black;
    padding: 1rem;
    left:0;
    top:0;
    height: 100%;
    width: 300px;
    transform: translateX(-100vw);
    transition: 500ms;
    z-index: 200;
  }
  .grid_nav > nav.active{
    transform: translateX(0px);
    transition: 500ms;
  }
  .grid_nav nav ul{
    list-style: none;
    padding: 0;
    margin: 0;
    flex-direction: column;
  }
  .grid_nav nav ul a{
    color: white;
    font-size: 1.3rem;
    padding: 10px 0;
    text-decoration: none;
  }
  .grid_nav nav ul a:hover{
    color: gray;
    transition: 100ms;
    text-decoration: none;
  }

  /*BUSQUEDA BAR*/
  .grid_nav form{
    position: fixed;
    left: 0;
    top: 0;
    transform: translateY(0);
    z-index: -1;
    opacity: 0;
    transition: 500ms;
    max-width: 100%!important;
  }
  .grid_nav form.active{
    opacity: 1;
    transform: translateY(60px);
    z-index: 10;
    transition: 500ms;
  }
  .grid_nav form{
    background: black;
    padding: 1rem;
  }

  .cap_bar{
    position: sticky;
    top: 60px;
  }

  .mark_btn{
    position: sticky;
    top: 128px;
  }

}

@media (max-width:960px) {
  .banner_main .info{
    position: relative;
    width: 100%
    padding: 1rem;
  }

  .banner_main{
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    width: 100%;
    height: auto;
    min-height: 60vh;
    border-radius: 0;
  }

  .banner_main img{
    border-radius: 0;
  }
  .banner_main .overlay{
    border-radius: 0;
  }

  .grid_space_book{
    grid-template-columns: repeat(3,1fr);
  }
  .grid_space_book_admin{
    grid-template-columns: repeat(3,1fr);
  }
  .grid_detail{
    display: grid;
    grid-gap: 20px;
    grid-template-columns: 1fr;
    align-items: flex-start;
  }
  .grid_detail .item_caratula{
    display: none;
  }
  .grid_detail .item_caratula img{
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1.5rem;
  }
}

@media (max-width:725px) {
  .grid_gr_main{
    grid-template-columns: 1fr;
  }
  .grid_space_book{
    grid-template-columns: repeat(2,1fr);
  }
  .grid_space_book_admin{
    grid-template-columns: repeat(2,1fr);
  }
}