CSS菜单制作案例：纯CSS下拉菜单

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本文介绍了CSS菜单制作案例：纯CSS下拉菜单，希望对您有用。如果有疑问，可以联系我们。

原文http://www.jqueryfuns.com/resource/265

先来看一个效果图：

菜单有两个子类别特性,父级菜单悬停激活链接。
第一级sub-links主要出现在导航栏,然后二级链接从第一个下拉水平飞出。

CSS下拉菜单实现：

HTML部分：

<nav>
    <ul>
        <li><a href=#>Home</a></li>
        <li><a href=#>Tutorials</a>
            <ul>
                <li><a href=#>Photoshop</a></li>
                <li><a href=#>Illustrator</a></li>
                <li><a href=#>Web Design</a>
                    <ul>
                        <li><a href=#>HTML</a></li>
                        <li><a href=#>CSS</a></li>
                    </ul>
                </li>
            </ul>
        </li>
        <li><a href=#>Articles</a>
            <ul>
                <li><a href=#>Web Design</a></li>
                <li><a href=#>User Experience</a></li>
            </ul>
        </li>
        <li><a href=#>Inspiration</a></li>
    </ul>
</nav>

CSS部分：

nav {
           margin: 100px auto; 
    text-align: center;
}
 
nav ul ul {
           display: none;
}
 
    nav ul li:hover > ul {
               display: block;
           }
 
 
nav ul {
           background: #efefef; 
           background: linear-gradient(top, #efefef 0%, #bbbbbb 100%);  
                                           background: -moz-linear-gradient(top, #bbbbbb 100%); 
                                                                                background: -webkit-linear-gradient(top,#bbbbbb 100%); 
                                                                                                                        box-shadow: 0px 0px 9px rgba(0,0.15);
    padding: 0 20px;
    border-radius: 10px;  
    list-style: none;
    position: relative;
    display: inline-table;
}
    nav ul:after {
               content: ; clear: both; display: block;
           }
 
    nav ul li {
               float: left;
           }
        nav ul li:hover {
                   background: #4b545f;
                   background: linear-gradient(top, #4f5964 0%, #5f6975 40%);
                                                           background: -moz-linear-gradient(top, #5f6975 40%);
                                                                                                        background: -webkit-linear-gradient(top,#5f6975 40%);
                                                                                                                                                    }
            nav ul li:hover a {
                       color: #fff;
                   }
         
        nav ul li a {
                   display: block; padding: 25px 40px;
            color: #757575; text-decoration: none;
        }
             
         
    nav ul ul {
               background: #5f6975; border-radius: 0px; padding: 0;
               position: absolute; top: 100%;
           }
        nav ul ul li {
                   float: none;
                   border-top: 1px solid #6b727c;
            border-bottom: 1px solid #575f6a; position: relative;
        }
            nav ul ul li a {
                       padding: 15px 40px;
                color: #fff;
            }   
                nav ul ul li a:hover {
                           background: #4b545f;
                       }
         
    nav ul ul ul {
               position: absolute; left: 100%; top:0;
           }