JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container center">
    <div class="thing">
        <table class="tabel center" style="width:230px">
            <tr>
                <td>Example</td>
            </tr>
        </table>
    </div>
    <div class="thing">
        <table class="tabel center" style="width:230px">
            <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 {
    width: 50%;
    float: left;
    min-width: 230px;
}
.center {
    margin: 0 auto;
}
@media all and (max-width: 480px) {
    .thing {
        width: 100%;
    }
}