<!DOCTYPE html>
<html>
<head>
<style>
table, th, td { border: 1px solid black;
}
caption { display: table-caption;
text-align: center;
}
</style>
</head>
<body>
<p>一个 caption 元素显示如下：</p>
<table>
<caption>每月储蓄</caption>
<tr>
<th>Month</th>
<th>Savings</th>
</tr>
<tr>
<td>January</td>
<td>$100</td>
</tr>
<tr>
<td>February</td>
<td>$50</td>
</tr>
</table>
<p>自定义标题元素（更改文本对齐）：</p>
<table>
<caption style="text-align:left;">每月储蓄</caption>
<tr>
<th>Month</th>
<th>Savings</th>
</tr>
<tr>
<td>January</td>
<td>$100</td>
</tr>
<tr>
<td>February</td>
<td>$50</td>
</tr>
</table>
</body>
</html>