JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container center">
    <div class="thing">
        <table class="tabel center" style="width:100%">
            <tr><td>Example</td></tr>
        </table>
    </div>

    <div class="thing">
        <table class="tabel center" style="width:100%">
            <tr><td>Example</td></tr>
        </table>
    </div>
</div>

CSS

.container {
    width: 100%;
    overflow: hidden;
    float: left;
    border: 1px solid red;
    text-align: center;
}
.tabel {
    border: 1px solid black;
    border-collapse: collapse;
    padding: 5px;
}
.thing {
    margin: 0 auto;
    width: 50%;
}