table.responsive {
  border-collapse: collapse;
}

table.responsive th,
table.responsive td {
  border: 1px solid #ccc;
  text-align: center;
  vertical-align: middle;
}

@media (max-width: 768px) {
  table.responsive thead {
    display: none;
  }

  table.responsive, 
  table.responsive tbody, 
  table.responsive tr, 
  table.responsive td {
    display: block;
    width: 100%;
  }

  table.responsive tr {
    margin-bottom: 1rem;
    border: 1px solid #ddd;
  }
  
  table.responsive td {
    position: relative;
    padding-left: 50%;
    text-align: left;
    border: none;
    border-bottom: 1px solid #eee;
    font-size: 0.9em;
    line-height: 1.3em;
  }

  table.responsive td::before {
    position: absolute;
    display: block;
    top: 0;
    left: 10px;
    width: 45%;
    white-space: normal;
    font-weight: bold;
    content: attr(data-label);
    word-break: break-word;
    padding-top: 15px;
    font-size: 0.9em;;
  }
}