JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="baseline"></div>
    <table cellspacing="0" cellpadding="1">
        <tr><td><div>One</div></td>
            <td><div>Two</div></td>
            <td><div>Three</div></td>
        </tr>
    </table>
</div>

CSS

* {
  font-family: Verdana,Arial;
  font-size: 11px;
  line-height: 100%;
  box-sizing: border-box;
  margin: 0px;
  padding: 0px;    
}

.container {
  overflow: hidden !important;
  background-color: #fafafa;
  padding: 3px 0px;
  padding-bottom: 0px !important;
  position: relative;
  height: 2rem;
}

.baseline {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid silver;
}

table {
  border-collapse: separate;
  border-spacing: 0px;
  position: absolute;
  bottom: 0;
  right: 0;
  border-bottom: 1px solid silver;
  padding: 0px 7px;
}

td div {
  padding: 6px 20px;
  text-align: center;
  color: #000000;
  background-color: transparent;
  border: 1px solid #c0c0c0;
  border-bottom: 1px solid silver;
  white-space: nowrap;
  margin: 1px 1px -1px 0px;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  cursor: default;
}

tr td:first-child div {
  background-color: #ffffff;
  border-bottom: 1px solid #ffffff;
}