两个div并排等高
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
.left,
.right {
display: table-cell;
border: 1px solid #f40;
}
</style>
</head>
<body>
<div class="left">
left div
<br/>
<br/>
<br/>
<br/>
<br/>
</div>
<div class="right">
right div
</div>
</body>
</html>
