小编给大家分享一下纯CSS怎么实现大型下拉菜单,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
HTML结构
该大型菜单的HTML结构如下:
<nav> <ul class="container ul-reset"> <li><a href='#'>Home</a></li> <li class='droppable'> <a href='#'>Category One</a> <div class='mega-menu'> <div class="container cf"> <ul class="ul-reset"> <h4>Heading 1</h4> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 2</h4> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 3</h4> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> <li><a href='#'>Category One Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 4</h4> <li><img src="http://placehold.it/205x172"></li> </ul> </div><!-- .container --> </div><!-- .mega-menu --> </li><!-- .droppable --> <li class='droppable'> <a href='#'>Category Two</a> <div class='mega-menu'> <div class="container cf"> <ul class="ul-reset"> <h4>Heading 1</h4> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 2</h4> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 3</h4> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> </ul><!-- .ul-reset --> <ul class="ul-reset"> <h4>Heading 4</h4> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> <li><a href='#'>Category Two Sublink</a></li> </ul><!-- .ul-reset --> </div><!-- .container --> </div><!-- .mega-menu--> </li><!-- .droppable --> <li><a href='#'>Category Three</a></li> <li><a href='#'>Category Four</a></li> <li><a href='#'>Category Five</a></li> <li><a href='#'>Category Six</a></li> </ul><!-- .container .ul-reset --> </nav>
CSS
为该大型菜单添加下面的CSS样式:
/* #Resets –––––––––––––––––––––––––––––––––––––––––––––––––– */ html {box-sizing: border-box;} *, *:before, *:after {box-sizing: inherit; } /* #Universal and Default Styles –––––––––––––––––––––––––––––––––––––––––––––––––– */ body { background: url(../img/black-wood-small.jpg); color: #ddd; font-family: "Open Sans", sans-serif; font-size: 14px; line-height: 1; margin: 0; padding: 0; text-align: center; } a {text-decoration: none;} h2 { font-size: 40px; font-weight: 700; margin-bottom: 20px; margin-top: 20px; } h3 { font-size: 15px; font-weight: 600; margin-bottom: 30px; margin-top: 10px; } .container { margin: auto; width: 940px; } .ul-reset { padding-left: 0; margin-top: 0; margin-bottom: 0; list-style: none; } /* #Navigation Styles –––––––––––––––––––––––––––––––––––––––––––––––––– */ nav { background: #424242; font-size: 0; position: relative; } nav > ul > li { display: inline-block; font-size: 14px; padding: 0 15px; position: relative; } nav > ul > li:first-child {padding-left: 0;} nav > ul > li:last-child {padding-right: 0;} nav > ul > li > a { color: #fff; display: block; position: relative; padding: 20px 0; border-bottom: 3px solid transparent; } nav > ul > li:hover > a { color: #69aae0; border-bottom: 3px solid #69aae0; } /* #Mega Menu Styles –––––––––––––––––––––––––––––––––––––––––––––––––– */ .mega-menu { background: #f0f0f0; display: none; left: 0; position: absolute; text-align: left; width: 100%; } .mega-menu h4 {color: #444;} .mega-menu ul { float: left; margin-bottom: 20px; margin-right: 40px; width: 205px; } .mega-menu ul:last-child {margin-right: 0;} .mega-menu a { border-bottom: 1px solid #ddd; color: #4ea3d8; display: block; padding: 10px 0; } .mega-menu a:hover {color: #2d6a91;} /* #Droppable Class Styles –––––––––––––––––––––––––––––––––––––––––––––––––– */ .droppable {position: static;} .droppable > a:after { content: "\f107"; font-family: FontAwesome; font-size: 12px; padding-left: 6px; position: relative; top: -1px; } .droppable:hover .mega-menu {display: block;} /* #Browser Clearfix –––––––––––––––––––––––––––––––––––––––––––––––––– */ .cf:before, .cf:after { content: " "; /* 1 */ display: table; /* 2 */ } .cf:after {clear: both;}
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