<style>
 table{margin:0 auto; border-collapse:collapse;}th,td{border: 1px solid #000000;}
.text{background:red;color:white;font:130px 楷体;text-align:center;}
</style>

<body>
<table cell>
 <tr><td colspan=2 width=700 height=140  class="text" >1</td> </tr>
 <tr  height=940 ><td width=200 class="text">2</td><td  width=500 class="text" >3</td></tr>
 <tr  height=140 class="text"><td colspan=2>4</td></tr>
</table>

</body>