水平线可以是虚线吗？？急

[juge828]

如果可以，那应该怎么写?谢谢了，急呀

[andraw2002]

<style type="text/css">
<!--
.td12 {
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: none;
border-right-style: dotted;
border-bottom-style: dotted;
border-left-style: none;
border-top-color: #000000;
border-right-color: #000000;
border-bottom-color: #000000;
border-left-color: #000000;
}
.td2 {
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: none;
border-right-style: none;
border-bottom-style: dotted;
border-left-style: none;
border-top-color: #000000;
border-right-color: #000000;
border-bottom-color: #000000;
border-left-color: #000000;
}
.td1 {
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: none;
border-right-style: dotted;
border-bottom-style: none;
border-left-style: none;
border-top-color: #000000;
border-right-color: #000000;
border-bottom-color: #000000;
border-left-color: #000000;
}
-->
</style>
<table cellpadding="0" cellspacing="0" width="100%">
<tr><Td class="td12">1</Td><Td class="td2">2</Td></tr>
<tR><Td class="td1">3</Td><tD>4</tD></tR>
</table>