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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<style type="text/css">
.box{
width:350px;
height:400px;
background-color:#f0f0f0;
}
.box1{
width:50px;
height:50px;
background-color:#ff0000;
float:left;
}
.box2{
width:50px;
height:50px;
background-color:#00ff00;
float:left;
}
.box3{
width:50px;
height:50px;
background-color:#0000ff;
float:left;
}
</style>
</head>
<body>
<div class="box">
<div class="box1">php.cn</div>
<div class="box2">php.cn</div>
<div class="box3">php.cn</div>
</div>
</body>
</html>Q: ??? ???? ?? ??? ??? ??? ??????
?? ?? ??? ??? ?????. ??? ?? ???? ??? ??? ??? ?????.
