<html>
<div style="border-top:solid 40px blue;
border-left:solid 40px red;
height:160px;
400px;">
<div style="height:40px;background-color:#B1F;">这是第一行</div>
<div style="height:40px;background-color:#444;">这是第二行</div>
<div style="height:40px;background-color:#888;">这是第三行</div>
</div>
</html>