「visibility」プロパティの「collapse」設定時の注意点

<span>要素1</span>
<span class="item">要素2</span>
<span>要素3</span>
<table>
    <tbody>
        <tr>
            <th>1</th>
            <td>table</td>
            <td>table</td>
            <td>table</td>
        </tr>
        <tr class="item">
            <th>2</th>
            <td>table</td>
            <td>table</td>
            <td>table</td>
        </tr>
        <tr>
            <th>3</th>
            <td>table</td>
            <td>table</td>
            <td>table</td>
        </tr>
    </tbody>
</table>

.item{
    background-color: #bbe7f9;
    visibility: visible;
}

.item{
    visibility: hidden;
}

.item{
    visibility: collapse;
}