Tùy biến góc cong khung chấm chấm

<table align="center" style="border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; border: 4px dotted rgb(255, 0, 0); width: 100px;"><tbody>
<tr><td>abc</td></tr>
</tbody></table>

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abc

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abc