bootstrap自适应带搜索多级悬浮下拉菜单顶部导航条效果代码-html代码-BFW代码库

bootstrap自适应带搜索多级悬浮下拉菜单顶部导航条效果代码

代码语言：html

代码描述：bootstrap自适应带搜索多级悬浮下拉菜单顶部导航条效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/bootstrap.4.3.1.min.css">
    <style>
        .dropdown-menu {
            margin-top: 0;
        }
        .dropdown-menu .dropdown-toggle::after {
            vertical-align: middle;
            border-left: 4px solid;
            border-bottom: 4px solid transparent;
            border-top: 4px solid transparent;
        }
        .dropdown-menu .dropdown .dropdown-menu {
            left: 100%;
            top: 0%;
        }
        
        .dropdown-menu > li a:hover,
        .dropdown-menu > li.show {
        	background: #007bff;
        	color: white;
        }
        .dropdown-menu > li.show > a{
        	color: white;
        }
    </style>
</head>

<body>
    <nav class="navbar navbar-expand-lg navbar-light bg-light" id="main_navbar">
        <a class="navbar-brand" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>

        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav mr-auto">
                <li class="nav-item active">
                    <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Link</a>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        Dropdown
                    </a>
                    <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
                        <li><a class="dropdown-item" href="#">Action</a></li>
                        <li><a class="dropdown-item" href="#">Another action</a></li>
                        <div class="dropdown-divider"></div>
                        <li></li>
                        <a class="dropdown-item" href="#">Something else here</a>
              
                <li class="nav-item dropdown">
                    <a class="dropdown-item dropdown-toggle" href="#" id="navbarDropdown1" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        Dropdown
  .........完整代码请登录后点击上方下载按钮下载查看