@media (max-width: 776px) {
    
    .parentDivFirst {
  width: 100%;
  padding: 0;
  margin: 0 auto;
  box-sizing: border-box;
}


  .card-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    justify-items: center;
    gap: 20px;

    padding: 0;           /* Reset padding */
    margin: 0 auto;       /* Center the whole container */
    width: 100%;          /* Ensure full width usage */
    box-sizing: border-box;
  }

  .card {
    width: 220px;
    height: 400px;
    box-sizing: border-box;
    border: 2px solid white;
  }

  .margintop {
    margin-top: 20px;
  }
}