.guten-TGhWzj .guten-postblock .guten-posts { grid-template-columns: repeat(3, minmax(0, 1fr)); } .guten-TGhWzj.guten-element {   } @media only screen and (max-width: 767px) { .guten-TGhWzj .guten-postblock .guten-posts { grid-template-columns: repeat(1, minmax(0, 1fr)); } .guten-TGhWzj .guten-postblock .guten-post { padding-right: 10px; padding-left: 10px; } }