JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <br /><br /><br /><br />
    <div class="inner">
        <input type="button" value="click me" />
    </div>
</div>

CSS

body, div, span {
    margin: 0px;
    padding: 0px;
}
#wrapper {
    width: 500px;
    margin: 0px auto;
}