JSFiddle - React, Tailwind, and code Playground

HTML

<div class="out">
    Bfasdlasndas dasod asas da
    <div class="center">Example 1</div>
    <button class="center">Example 2</button>
</div>

CSS

.center{
    margin:0 auto;
    display:block;
}
.out{
    width:500px;
    border:1px solid red;
}