day-14.css

.table {
  background: #d8d8d8;
  border: 1px solid #bdbec5;
  border-collapse: collapse;
  border-radius: 0.4rem;
  margin: 0 auto;
  max-width: 992px;
  overflow: hidden;
  table-layout: fixed;
  width: 100%;
}

.table-row { border-top: 1px solid #bdbec5; }

.table-header { display: none; }

.table-cell { display: block; font-size: 16px; line-height: 1.2; }

.table-cell:first-child { padding-top: 0.5em; }

.table-cell:last-child { padding-bottom: 0.5em; }

.table-cell:before {
  content: attr(data-th) ": ";
  font-weight: bold;
  width: 6.5em;
  display: inline-block;
}

.table-header,
.table-cell { margin: 0.5em 1em; overflow: hidden; text-align: left; text-overflow: ellipsis; white-space: nowrap; }

.table-header,
.table-cell:before { color: #6b55dd; }

@media (min-width: 480px) {
  .table-cell:before { display: none; }

  .table-header,
  .table-cell { display: table-cell; padding: 1em; }
}