这是一款基于bootsnav的超酷3d导航菜单。该导航菜单已bootsnav插件为基础，通过css代码来构建鼠标悬停菜单项时的3d翻转动画效果。

使用方法

在HTML文件中引入。

  
<link href="css/bootsnav.css" rel="stylesheet">
<script src="//code.jquery.com/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>   
<script src="js/bootsnav.js"></script>   
                

HTML结构

<div class="collapse navbar-collapse" id="navbar-menu">
    <ul class="nav navbar-nav" data-in="fadeInDown" data-out="fadeOutUp">
        <li class="active"><a href="#" data-hover="Home">Home <span data-hover="Home"></span></a></li>
        <li><a href="#" data-hover="About">About <span data-hover="About"></span></a></li>
        <li class="dropdown">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown" data-hover="Shortcodes">Shortcodes <span data-hover="Shortcodes"></span></a>
            <ul class="dropdown-menu animated">
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>
                    <ul class="dropdown-menu animated">
                        <li><a href="#">Custom Menu</a></li>
                        <li><a href="#">Custom Menu</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>
                            <ul class="dropdown-menu multi-dropdown animated">
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                            </ul>
                        </li>
                        <li><a href="#">Custom Menu</a></li>
                    </ul>
                </li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
            </ul>
        </li>
        <li class="dropdown">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown" data-hover="Pages">Pages <span data-hover="Pages"></span></a>
            <ul class="dropdown-menu animated">
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>
                    <ul class="dropdown-menu animated">
                        <li><a href="#">Custom Menu</a></li>
                        <li><a href="#">Custom Menu</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>
                            <ul class="dropdown-menu multi-dropdown animated">
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                                <li><a href="#">Custom Menu</a></li>
                            </ul>
                        </li>
                        <li><a href="#">Custom Menu</a></li>
                    </ul>
                </li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
                <li><a href="#">Custom Menu</a></li>
            </ul>
        </li>
        <li><a href="#" data-hover="Portfolio">Portfolio <span data-hover="Portfolio"></span></a></li>
        <li class="dropdown megamenu-fw">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown" data-hover="Megamenu">Megamenu <span data-hover="Megamenu"></span></a>
            <ul class="dropdown-menu megamenu-content animated" role="menu">
                <li>
                    <div class="row">
                        <div class="col-menu col-md-3">
                            <h6 class="title">Title Menu One</h6>
                            <div class="content">
                                <ul class="menu-col">
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                </ul>
                            </div>
                        </div><!-- end col-3 -->
                        <div class="col-menu col-md-3">
                            <h6 class="title">Title Menu Two</h6>
                            <div class="content">
                                <ul class="menu-col">
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                </ul>
                            </div>
                        </div><!-- end col-3 -->
                        <div class="col-menu col-md-3">
                            <h6 class="title">Title Menu Three</h6>
                            <div class="content">
                                <ul class="menu-col">
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                </ul>
                            </div>
                        </div>
                        <div class="col-menu col-md-3">
                            <h6 class="title">Title Menu Four</h6>
                            <div class="content">
                                <ul class="menu-col">
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                    <li><a href="#">Custom Menu</a></li>
                                </ul>
                            </div>
                        </div><!-- end col-3 -->
                    </div><!-- end row -->
                </li>
            </ul>
        </li>
        <li><a href="#" data-hover="Contact">Contact <span data-hover="Contact"></span></a></li>
    </ul>
</div>
</nav>
</div>
</div>
</div>
                

CSS样式

nav.navbar.bootsnav{
    font-family: 'Roboto', sans-serif;
    margin-bottom: 150px;
    border: none;
}
nav.navbar.bootsnav .navbar-collapse{ padding: 0; }
nav.navbar.bootsnav ul.nav > li > a{
    color: #fff;
    background-color: #333;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 10px 15px 10px;
    margin: 0;
    border: none;
    border-bottom: 3px solid #e84393;
    overflow: hidden;
    position: relative;
    z-index: 1;
    transition: all 0.1s ease-out;
}
nav.navbar.bootsnav ul.nav > li.dropdown > a{ padding: 10px 25px 10px 10px; }
nav.navbar.bootsnav ul.nav > li.active > a,
nav.navbar.bootsnav ul.nav > li.active > a:hover,
nav.navbar.bootsnav ul.nav > li > a:hover,
nav.navbar.bootsnav ul.nav > li.on > a{
    color: #fff;
    background-color: #e84393;
    text-shadow: 3px 3px 0 rgba(0,0,0,0.3);
}
nav.navbar.bootsnav ul.nav > li > a>span:before,
nav.navbar.bootsnav ul.nav > li > a>span:after{
    content: '';
    background: rgba(0,0,0,0.2);
    height: 50%;
    width: 50%;
    opacity: 1;
    position: absolute;
    left: -50%;
    top: -50%;
    z-index: -1;
    transition: all 0.2s ease;
}
nav.navbar.bootsnav ul.nav > li > a>span:after{
    left: 100%;
    top: 100%;
}
nav.navbar.bootsnav ul.nav > li.active > a>span:before,
nav.navbar.bootsnav ul.nav > li.active > a:hover>span:before,
nav.navbar.bootsnav ul.nav > li > a:hover>span:before,
nav.navbar.bootsnav ul.nav > li.on > a>span:before{
    left: 0;
    top: 0;
}
nav.navbar.bootsnav ul.nav > li.active > a>span:after,
nav.navbar.bootsnav ul.nav > li.active > a:hover>span:after,
nav.navbar.bootsnav ul.nav > li > a:hover>span:after,
nav.navbar.bootsnav ul.nav > li.on > a>span:after{
    left: 50%;
    top: 50%;
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content li a:hover,
nav.navbar.bootsnav li.dropdown ul.dropdown-menu li a:hover,
nav.navbar.bootsnav li.dropdown ul.dropdown-menu li a.dropdown-toggle:active,
nav.navbar ul.nav li.dropdown.on ul.dropdown-menu li.dropdown.on > a{
    text-shadow: 0 0 5px #000;
}
nav.navbar.bootsnav ul.nav > li.dropdown > a.dropdown-toggle:after{
    color: #fff;
    margin: 0 0 0 7px;
    position: absolute;
    top: 9px;
    right: 7px;
    transition: all 0.3s;
}
nav.navbar.bootsnav ul.nav > li.dropdown > ul{
    background-color: #333;
    opacity: 0;
    transform: perspective(600px) rotateX(-90deg);
    transform-origin: top center;
    transform-style: preserve-3d;
    visibility: hidden;
    transition: all 0.3s ease 0s;
}
nav.navbar.bootsnav ul.nav > li.dropdown.on > ul{
    opacity: 1 !important;
    visibility: visible !important;
    transform: perspective(600px) rotateX(0);
}
.dropdown-menu.multi-dropdown{
    position: absolute;
    left: -100% !important;
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu{
    background-color: #333;
    border: none;
    top: 101%;
    z-index: 1;
    transition: all 0.3s ease;
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu > li > a{
    color: #fff;
    font-weight: 500;
    border: none;
    position: relative;
    transition: all 0.3s;
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu > li > a:after,
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .menu-col li a:after{
    content: '';
    background-color: #e84393;
    height: 100%;
    width: 5px;
    transform: scaleY(0);
    position: absolute;
    top: 0;
    left: 0;
    transition: all 0.3s ease;
}
nav.navbar ul.nav li.dropdown.on ul.dropdown-menu li.dropdown.on > a:after,
nav.navbar.bootsnav li.dropdown ul.dropdown-menu > li > a:hover:after,
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .menu-col li a:hover:after{
    transform: scaleY(1);
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content{
    background-color: #333;
    overflow: hidden;
    top: 86%;
}
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content li{ font-size: 14px; }
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .menu-col li a{
    color: #fff;
    padding-left: 10px;
    position: relative;
}
nav.navbar.bootsnav ul.nav li.megamenu-fw > a:hover,
nav.navbar.bootsnav ul.nav li.megamenu-fw > a:focus,
nav.navbar.bootsnav ul.nav li.megamenu-fw.on > a{ background-color: #e84393 !important; }
nav.navbar.bootsnav ul.dropdown-menu.megamenu-content .col-menu{ padding: 0 15px; }
nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .title{
    color: #fff;
    background-color: #e84393;
    font-size: 16px;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 5px 0 5px 5px;
}
@media only screen and (max-width:990px){
    .dropdown-menu.multi-dropdown{ left: 0 !important; }
    nav.navbar.bootsnav .navbar-toggle{
        color: #fff;
        background: #e84393 !important;
        padding: 3px 8px;
        margin-top: 2px;
        border-radius: 0;
    }
    nav.navbar.bootsnav.navbar-mobile .navbar-collapse{ background-color: #333; }
    nav.navbar.bootsnav ul.nav>li{ margin: 0 auto 2px; }
    nav.navbar.bootsnav.navbar-mobile ul.nav>li>a{
        text-align: center;
        padding: 10px 15px;
        margin: 0;
        border: none;
    }
    nav.navbar.bootsnav ul.nav>li.dropdown>a{ padding: 10px 10px 10px 28px; }
    nav.navbar.bootsnav ul.nav>li.dropdown>a.dropdown-toggle:before{ color: #fff; }
    nav.navbar.bootsnav ul.nav > li.dropdown > ul{ left: -5px; }
    nav.navbar.bootsnav ul.nav li.dropdown ul.dropdown-menu{
        margin: 0 0 -1px 0 !important;
        z-index: 1;
    }
    nav.navbar.bootsnav ul.nav li.dropdown ul.dropdown-menu>li>a{
        color: #fff;
        padding-left: 10px;
        border: none;
        position: relative;
    }
    nav.navbar.bootsnav ul.nav li.dropdown ul.dropdown-menu>li.dropdown:after{
        content: '';
        background-color: #e84393;
        height: 50px;
        width: 5px;
        transform: scaleY(0);
        position: absolute;
        left: 0;
        top: 0;
        z-index: 1;
        transition: all 0.3s ease;
    }
    nav.navbar.bootsnav ul.nav li.dropdown ul.dropdown-menu>li.dropdown:hover:after,
    nav.navbar.bootsnav ul.nav li.dropdown ul.dropdown-menu>li.dropdown.on:after{
        transform: scaleY(1);
    }
    nav.navbar.bootsnav .dropdown-menu{ z-index: 0; }
    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content{ top: 0; }
    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .title{
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        border: none;
    }
    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .content{ border: none; }
    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .col-menu.on .title{ font-weight: 600; }
    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .col-menu li a{
       color: #fff;
       background-color: #333;
       border: none;
       margin-bottom: 0;
    }
}
                

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