thead tfoot tbody要素

valign属性 valign="(top|middle|bottom|baseline)" 内容の垂直表示位置

H4- ie4- N6-

top 上に表示

Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!

middle 中央に表示 (初期値)

Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!

bottom 下に表示

Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!
Hello! Hello! Hello! Hello!

baseline 1行目のベースラインに揃える

head	head	head	head
foot	foot	foot	foot
body	body	body	body


<table border="1" width="100%">

<thead valign="baseline">

<tr>

  <td width="25%">head

  <td width="25%"><span style="font-size:large;">head</span>

  <td width="25%"><span style="font-size:x-large;">head</span>

  <td width="25%"><span style="font-size:xx-large;">head</span>

<tfoot valign="baseline">

<tr>

  <td width="25%">foot

  <td width="25%"><span style="font-size:large;">foot</span>

  <td width="25%"><span style="font-size:x-large;">foot</span>

  <td width="25%"><span style="font-size:xx-large;">foot</span>

<tbody valign="baseline">

<tr>

  <td width="25%">body

  <td width="25%"><span style="font-size:large;">body</span>

  <td width="25%"><span style="font-size:x-large;">body</span>

  <td width="25%"><span style="font-size:xx-large;">body</span>

</table>