Question

我的VIDEOS子菜单项未出现在浏览器中。我相信我已经正确编码了它们。我不确定是否因为我在编写CSS时尝试制作子菜单（使其更难）但我真的需要一些帮助才能显示出来。在那之后，我会编写CSS以使其更加用户友好，因此当鼠标悬停在“视频”上时，菜单会向下级联。我的链接rel是正确的。非常感谢。

<!DOCTYPE html> 
<html>
<head>
<link rel="stylesheet" type="text/css" href="index.css" />
<title>Puppy Power</title>
</head>
<body>
        <div id="page">
<header></header>
        <div id="dog logo">
    </div>

<ul id="navigation">
        <li><a href="#">Home</a></li>
        <li><a href="Videos.html">Videos</a>
            <ul class="sub">
                <li><a href="#">Vines</a></li>
                <li><a href="#">Pugs</a></li>
                <li><a href="#">Failing Dogs</a></li>
                <li><a href="#">Crazy Dogs</a></li>
                <li><a href="#">Funny Dogs</a></li>

            </ul>
        </li>


        <li><a href="#">Photographs</a></li>    
        <li><a href="#">Articles</a></li>
        <li><a href="#">Contact</a></li>
    </ul>

<div id="hero"><h1><b>HERO</b></h1></div>


<div id="topvideo"><h1><b>TOP VIDEO</b></h1></div>

<div id="topphoto"><h1><b>TOP PHOTO</b></h1></div>

<div id="toparticles"><h1><b>TOP ARTICLE</b></h1></div>

<div id="content"><h1><b>CONTENT</b></h1></div>

<div id="footer"><h1><b>FOOTER</b></h1></div>

</body>
</html>

    #page {
    max-width: 850px;
    min-width: 840px;
    min-height: 1550px;
    max-height: 1600px;
} 




ul {
    width: 813px;
    height: 100px;
    padding: 10px;
    margin: 0px auto 0px auto;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    text-align: center;
    text-decoration: none;
    list-style-type: none;
    padding: 5px 0px 5px 0px;
    display:inline-block;


}

li {
    display: inline;
    text-decoration: none;



}

#hero {
    width: 813px;
    height: 408px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    display: inline-block;
    margin: 5px 0px 0px 0px;
    text-align: center;
    color: red;

}

#topvideo {
    width: 267px;
    height: 370px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    display: inline-block;
    vertical-align:top;
    text-align: center;
    margin: 5px 0px 5px 0px;



}

#topphoto {
    width: 267px;
    height: 370px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    display: inline-block;
    vertical-align:top;
    text-align: center;
    margin: 5px 0px 5px 0px;

}

#toparticles {
    width: 267px;
    height: 370px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    display: inline-block;
    vertical-align:top;
    text-align: center;
    margin: 5px 0px 5px 0px;
}

#content {
    width: 813px;
    height: 310px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    margin: 0px 0px 0px 0px;
    text-align: center;
}

#footer {

    width: 813px;
    height: 100px;
    border-top: 1px solid #89cff0;
    border-bottom: 1px solid #89cff0;
    border-left: 1px solid #89cff0;
    border-right: 1px solid #89cff0;
    margin: 5px 0px 0px 0px;
    text-align: center;
}

Answer 1

调试的一个好方法是将其剥离，看看什么是有效的，什么不是。尝试删除class =“sub”和所有a标签，看看它是否正常工作。然后，您将能够识别问题。

我的子菜单项没有出现在浏览器中

1 个答案: