JSFiddle - React, Tailwind, and code Playground

by jorgeluis

HTML

<div class="indent">
indent
</div>

<div class="indent">
indent
</div>

CSS

.indent {
  position: relative;
  padding: 1rem;
}
.indent::before {
  position: absolute;
  width: calc(1rem - 5px);
  height: 50%;
  content: '';
  top: 0;
  left: 0;
  border-color: lightblue;
  border-style: solid;
  border-width: 0 0 1px 1px;
}