.hidden {
  display: none;
}
table.barby-barcode {
  border-spacing: 0;
}
tr.barby-row {
}
td.barby-cell {
  width: 3px;
  height: 100px;
}
td.barby-cell.on {
  background: #000;
}
.num {
  text-align: right;
}

@media (min-width: 1024px) {
  #main {
    padding-left: 15px;
    padding-right: 15px;
  }
  #ent_grid {
    display: grid;
    grid-template-columns: 8fr 4fr;
    grid-column-gap: 20px;
  }
  #ent_mensajes {
    grid-column-start: 1;
    grid-column-end: 3;
    grid-row-start: 1;
    grid-row-end: 4;
    z-index: 100;
  }
  #ent_preguntas {
    grid-column-start: 1;
    grid-row-start: 1;
    grid-row-end: 3;
  }
  #ent_dato {
    grid-column-start: 2;
    grid-row-start: 1;
  }
  #ent_clasificaciones {
    grid-column-start: 2;
    grid-row-start: 2;
  }
  #ent_guardadas {
    grid-column-start: 2;
    grid-row-start: 3;
  }
}

.activa {
  background-color: yellow;
}