/* main table */

  
@media screen and (max-width: 640px) {
    table {
      display: block;
    }
    tbody {
      display: flex;
      width: 100%;
    }
    tr {
      display: block;
      width: 50%;
    }
    th,td {
      display: block;
      width: 100%;
      padding: 0;
    }
}