JSFiddle - React, Tailwind, and code Playground

HTML

<div class="yellow"></div>
<div class="pink"></div>

CSS

div {
  width: 66%;
  height: 100px;
  margin: 10px;
  padding: 10px;
  border: solid 1px grey;
}
.yellow {
  background-color: #FEFD8F;
}

.pink {
  background-color: #F6CCFC;
  margin-left: auto;
}