ound: lime;
        margin: 3px;
        height: 100px;
        width: 100px;
    }
</style>
<main>
    <h1>Visibility collapse</h1>
    <a href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height">Spec</a>
    <p>
    Setting a row to visibility:collapse changes table height but not width.
    </p>
    <x-table id="one">
        <x-tr>
            <x-td>
                <img src="../support/cat.png">
            </x-td>
            <x-td>
                <span></span><span></span>
          