@media (min-width: 960px) {
  .show_grid.dalsiobsah_13860 .grid-row {
    max-width: calc(100% - 10px);
    margin-left: 5px;
  }
}

@media (min-width: 1200px) {
  .show_grid.dalsiobsah_13860 .grid-row {
    max-width: 1140px;
    margin-left: calc(50% - 570px);
  }
}