JSFiddle - React, Tailwind, and code Playground

by vzytoi

HTML

<div class="container">
  <span class="test-1"></span>
  <span class="test2"></span>
  <span class="test-3"></span>
</div>

CSS

.container {
  display: flex;
}
span {
  width: 100px;
  height: 100px;
  background: red;
  margin-left: 20px;
}

span[class*='test-'] {
  border: 1px solid #000;
}