div居中鼠标悬浮显示下拉列表

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

<style type="text/css">

#apDiv1 {

    position: absolute;

    

    width: 100%;

    height: 50px;

    z-index: 1;

    background-color:#F00;

    

}

#apDiv2 {

    position: relative;

    margin:auto;

    width:960px;

    height: 50;

    z-index: 2;

    background-color:#3F6

}

.apDivx {

    position: relative;

    float:left;

    width: 99px;

    height: 50px;

    z-index: 3;

    background-color:#FF0;

    overflow:hidden;

    

}

.apDivy {

    position: relative;

    float:left;

    width: 99px;

    height: 50px;

    z-index: 3;

    background-color:#FF0;

    

    

}

#apDiv4 {

    position: absolute;

    

    top: 50px;

    width: 200px;

    height: 91px;

    z-index: 2;

    background-color:#F3C

}

</style>

</head>



<body>

<div id="apDiv1">





    <div id="apDiv2">

        <div id="apDiv3" class="apDivx" onmouseover="this.className='apDivy'"  onmouseout="this.className='apDivx'">

        首页

                <div id="apDiv4">

            战争<br>

            剧情<br>

            爱情<br>

               </div>

        </div>

        <div id="apDiv3" class="apDivx" onmouseover="this.className='apDivy'"  onmouseout="this.className='apDivx'">

        电影

                <div id="apDiv4">

            速度与激情7<br>

            复仇者联盟2<br>

            左耳<br>

               </div>

        </div>







    </div>

</div>



</body>

</html>

 

你可能感兴趣的:(div居中)