JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<body>
<div class="c1">1</div>
<div class="c3">3</div>
<div class="c5">5</div>
</body>
</html>

CSS

.c1,.c2,.c3,.c4,.c5{
  border:1px solid black;
  height: 50px;
  width: 50px;
}
.c1{
  background-color: red;
}
.c5{
  background-color: blue;
}