bootstrap自适应滑动顶部导航菜单效果代码-html代码-BFW代码库

代码语言：html

代码描述：采用bootstrap编写一个自适应滑动顶部导航菜单并兼容移动设备。

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="en">

<head>
    <meta charset="UTF-8">
    <title>bootstrap4滑动效果顶部导航菜单</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/bootstrap.4.3.1.min.css">
    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/all.5.15.3.css">
    <style>
        @import url('https://fonts.googleapis.com/css?family=Roboto');
    
    body{
    	font-family: 'Roboto', sans-serif;
    }
    * {
    	margin: 0;
    	padding: 0;
    }
    i {
    	margin-right: 10px;
    }
    /*----------multi-level-accordian-menu------------*/
    .navbar-logo{
    	padding: 15px;
    	color: #fff;
    }
    .navbar-mainbg{
    	background-color: #5161ce;
    	padding: 0px;
    }
    #navbarSupportedContent{
    	overflow: hidden;
    	position: relative;
    }
    #navbarSupportedContent ul{
    	padding: 0px;
    	margin: 0px;
    }
    #navbarSupportedContent ul li a i{
    	margin-right: 10px;
    }
    #navbarSupportedContent li {
    	list-style-type: none;
    	float: left;
    }
    #navbarSupportedContent ul li a{
    	color: rgba(255,255,255,0.5);
        text-decoration: none;
        font-size: 15px;
        display: block;
        padding: 20px 20px;
        transition-duration:0.6s;
    	transition-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55);
        position: relative;
    }
    #navbarSupportedContent>ul>li.active>a{
    	color: #5161ce;
    	background-color: transparent;
    	transition: all 0.7s;
    }
    #navbarSupportedContent a:not(:only-child):after {
    	content: "\f105";
    	position: absolute;
    	right: 20px;
    	top: 10px;
    	font-size: 14px;
    	font-family: "Font Awesome 5 Free";
    	display: inline-block;
    	padding-right: 3px;
    	vertical-align: middle;
    	font-weight: 900;
    	transition: 0.5s;
    }
    #navbarSupportedContent .active>a:not(:only-child):after {
    	transform: rotate(90deg);
    }
    .hori-selector{
    	display:inline-block;
    	position:absolute;
    	height: 100%;
    	top: 0px;
    	left: 0px;
    	transition-duration:0.6s;
    	transition-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    	background-color: #fff;
    	border-top-left-radius: 15px;
    	border-top-right-radius: 15px;
    	margin-top: 10px;
    }
    .hori-selector .right,
    .hori-selector .left{
    	position: absolute;
    	width: 25px;
    	height: 25px;
    	background-color: #fff;
    	bottom: 10px;
    }
    .hori-selector .right{
    	right: -25px;
    }
    .hori-selector .left{
    	left: -25px;
    }
    .hori-selector .right:before,
    .hori-selector .left:before{
    	content: '';
        position: absolute;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background-color: #5161ce;
    }
    .hori-selector .right:before{
    	bottom: 0;
        right: -25px;
    }
    .hori-selector .left:before{
    	bottom: 0;
        left: -25px;
    }
    
    
    @media(min-width: 992px){
    	.navbar-expand-custom {
    	    -ms-flex-flow: row nowrap;
    	    flex-flow: row nowrap;
    	    -ms-flex-pack: start;
    	    justify-content: flex-start;
    	}
    	.navbar-expand-custom .navbar-nav {
    	    -ms-flex-direction: row;
    	    flex-direction: row;
    	}
    	.navbar-expand-custom .navbar-toggler {
    	    display: none;
    	}
    	.navbar-expand-custom .navbar-collapse {
    	    display: -ms-flexbox!important;
    	    display: flex!important;
    	    -ms-flex-preferred-size: auto;
    	    flex-basis: auto;
    	}
    }
    
    
    @media (max-width: 991px){
    	#navbarSupportedContent ul li a{
    		padding: 12px 30px;
    	}
    	.hori-selector{
    		margin-top: 0px;
    		margin-left: 10px;
    		border-radius: 0;
    		border-top-left-radius: 25px;
    		border-bottom-left-radius: 25px;
    	}
    	.hori-selector .left,
    	.hori-selector .right{
    		right: 10px;
    	}
    	.hori-selector .left{
    		top: -25px;
    		left: auto;
    	}
    	.hori-selector .right{
    		bottom: -25px;
    	}
    	.hori-selector .left:before{
    		left: -25px;
    		top: -25px;
    	}
    	.hori-selector .right:before{
    		bottom: -25px;
    		left: -25px;
    	}
    }
    </style>
</head>

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