JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <input type="button" value="Click Me" class="right">
</div>

CSS

div {
    width: 200px;
    height: 100px;
    position: relative;
    border: 1px solid black;
}

input.right {
    position: absolute;
    right: 0;
}