JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container clearfix">
    <div class="child"></div>
    <div class="child ltr"></div>
    <div class="child"></div>
</div>

CSS

.container {
    background: red;
    padding: 10px;
}
.child {
    width: 100px;
    height: 100px;
    float: left;
}
.child:nth-child(even) {
    background: green;
}
.child:nth-child(odd) {
    background: blue;
}
.ltr{
  float: right;
}
.clearfix:after {
	content: ".";
	display: block;
	clear: both;
	visibility: hidden;
	line-height: 0;
	height: 0;
}