JSFiddle - React, Tailwind, and code Playground

HTML

<div style="width: 500px; height: 100px; background-color: white;">
</div>

CSS

div, span {
  box-sizing: border-box;
  position: relative;

  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex-shrink: 0;
  align-content: flex-start;

  border: 0 solid black;
  margin: 0;
  padding: 0;
  min-width: 0;
}