JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
   <div class="right"></div>
   <div class="center"></div>
</div>

CSS

.center {
  margin: 0 auto;
  background-color: seagreen;
}

.right, .center {
  width: 100px;
  height: 100px;
}

.right {
  float: right;
  background-color: orange;
}

.outer {
  border: 1px solid blue;
}