对联广告代码实现
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>对联广告</title>
<style>
#main{
width: 1000px;
height: 600px;
margin: 0 auto;
background: #ccc;
}
#box1{
width: 45px;
height: 80px;
background: red;
position: absolute;
top:120px;
left:5px;
}
#box2{
width: 45px;
height: 80px;
background: red;
position: absolute;
top: 120px;
right: 5px;
}
</style>
</head>
<body>
<p id="main"></p>
<p id="box1">box1</p>
<p id="box2">box2</p>
</body>
</html>