.table_responsive {
  border-collapse: collapse;
  margin: 0;
  padding: 0;
  width: 100%;
  table-layout: fixed;
  background-color: #2d2d2d;
}

.table_responsive caption {
  font-size: 1.5em;
  margin: 0.5em 0 0.75em;
}

.table_responsive tr {
  padding: 0.35em;
}

.table_responsive th,
.table_responsive td {
  padding: 0.625em;
  text-align: center;
}

.table_responsive th {
  font-size: 0.85em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#buttonBuyBottom {
  display: none;
}

#buttonBuyTop {
  display: block;
}

@media screen and (max-width: 600px) {
  .table_responsive {
    border: 0;
  }

  .table_responsive caption {
    font-size: 1.3em;
  }

  .table_responsive thead {
    border: none;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
  }

  .table_responsive tr {
    display: block;
    border-bottom: 2px solid #c8a964;
    margin-bottom: 5px;
  }

  .table_responsive td {
    display: block;
    font-size: 0.8em;
    text-align: right;
  }

  .table_responsive td::before {
    /*
      * aria-label has no advantage, it won't be read inside a .table_responsive
      content: attr(aria-label);
      */
    content: attr(data-label);
    float: left;
    font-weight: bold;
    text-transform: uppercase;
  }

  .table_responsive td:last-child {
    border-bottom: 0;
  }

  #buttonBuyTop {
    display: none;
  }

  #buttonBuyBottom {
    display: block;
  }
}