<iframe src="about:blank"
	name="myframe"
	frameborder="0"
	scrolling="no"
	width="600"
	height="400">
</iframe>

<iframe src="about:blank"
	name="myframe"
	frameborder="1"
	scrolling="yes"
	width="600"
	height="400">
</iframe>

<style type="text/css">
#tbl td {
	vertical-align: top;
}
</style>
<table id="tbl">
	<tr>
		<td></td>
		<td></td>	
	</tr>
	<tr>
		<td></td>
		<td></td>	
	</tr>
</table>

<style type="text/css">
#tbl {
	table-layout: fixed;
	width: 600px;
}
#tbl td {
	vertical-align: top;
}
</style>
<table id="tbl">
	<tr>
		<td></td>
		<td></td>	
	</tr>
	<tr>
		<td></td>
		<td></td>	
	</tr>
</table>

<style type="text/css">
#tbl {
	border-collapse: collapse;
	border: solid 1px #000000;
	background-color: #ffffff;
}
#tbl td {
	vertical-align: top;
	padding: 5px;
	border: solid 1px #000000;
}
#tbl th {
	vertical-align: top;
	padding: 5px;
	border: solid 1px #000000;
	background-color: silver;
}
</style>
<table id="tbl">
	<tr>
		<th>１</th>
		<th>２</th>	
	</tr>
	<tr>
		<td>A</td>
		<td>B</td>	
	</tr>
	<tr>
		<td>C</td>
		<td>D</td>	
	</tr>
</table>

<>

 

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