JSFiddle - React, Tailwind, and code Playground

HTML

<div class="table">
  <div class="row">
    <div class="cell col1">
      CELL 1A</div>
    <div class="cell">
      CELL 1B
    </div>
  </div>
  <div class="row">
    <div class="cell col1">
      CELL2A LONGEST LONGEST LONGEST
    </div>
    <div class="cell">
      CELL2B
    </div>
  </div>
  <div class="row">
    <div class="cell col1">
      CELL3A LONGER
    </div>
    <div class="cell">
      CELL3B
    </div>
  </div>
</div>

CSS

.table {
  display:table;
}
.row {
  display:table-row;
  box-shadow: 2px 2px 2px #888888 /* does not work */
}
.cell {
  display:table-cell;
}
.col1 {
    white-space: nowrap;
    width: 1px;
}