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我需要帮助将黄色框垂直居中。

<html>
<head>
    <title></title>
</head>
<body style="border-collapse: collapse;">
    <div style="margin: 100px; width: 100px; height: 200px; background-color: gray; border: 1px solid gray;">
        <table style='background-color: white; width: 100%; height: 100%; border-collapse: collapse; vertical-align: top;'>
            <tr>
                <td style='height: 33.33%;'>
                    <div style="position: relative; width: 100%; height: 100%;">
                        <div style="position: absolute; top: -50%; height: 100%; display: table-cell; vertical-align: middle;">
                            <div style="border: 1px solid #ccc; width: 30px; height: 30px; background-color: yellow; ">A</div>
                        </div>
                        <div style="position: absolute; bottom: -50%; height: 100%; display: table-cell; vertical-align: middle;">
                            <div style="border: 1px solid #ccc; width: 30px; height: 30px; background-color: yellow; ">B</div>
                        </div>
                    </div>
                </td>
            </tr>
            <tr>
                <td style="height: 33.33%;">
                    <div style="position: relative; width: 100%; height: 100%;">
                        <div style="position: absolute; bottom: -50%; height: 100%; display: table-cell; vertical-align: middle;">
                            <div style="border: 1px solid #ccc; width: 30px; height: 30px; background-color: yellow; ">C</div>
                        </div>
                    </div>
                </td>
            </tr>
             <tr>
                <td style="height: 33.33%;">
                  <div style="position: relative; width: 100%; height: 100%;">

                        <div style="position: absolute; bottom: -50%; height: 100%; display: table-cell; vertical-align: middle;">
                            <div style="border: 1px solid #ccc; width: 30px; height: 30px; background-color: yellow; ">D</div>
                        </div>
                    </div>
                </td>
            </tr>
        </table>
    </div>
</body>
</html>
4

1 回答 1

0

Got it fixed by adding margin-top: 50%; for each of the boxes.

于 2013-05-17T10:02:43.773 回答