@media (max-width: 900px) {
  section > div > div[style*="grid-template-columns:1.1fr"] {
    grid-template-columns:1fr !important;
  }
}

@media (max-width: 700px) {
  section > div > div[style*="grid-template-columns:repeat(3,1fr)"] {
    grid-template-columns:1fr !important;
  }

  section > div > div[style*="grid-template-columns:repeat(2,1fr)"] {
    grid-template-columns:1fr !important;
  }
}