JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container"> 
 <span class="centerMe">center</span>
 <span class="ontheright">-------I'm on the right!</span>
</div>

CSS

.container {
    position:relative;
    text-align:center
}
.centerMe {
    margin-left:auto;
    margin-right:auto;
}
.ontheright {
    float: right;
    margin-left: -100%;
}