Responsive Mobile Bootstrap 4 Animated Rounded Navbar

Responsive Mobile Bootstrap 4 Animated Rounded Navbar Demo

View Demo Full Screen View Demo New Tab

Responsive Mobile Bootstrap 4 Animated Rounded Navbar Code

HTML

<nav class="navbar navbar-expand-custom navbar-mainbg">
        <a class="navbar-brand navbar-logo" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <i class="fas fa-bars text-white"></i>
        </button>
        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav ml-auto">
                <div class="hori-selector"><div class="left"></div><div class="right"></div></div>
                <li class="nav-item">
                    <a class="nav-link" href="javascript:void(0);"><i class="fas fa-tachometer-alt"></i>Dashboard</a>
                </li>
                <li class="nav-item active">
                    <a class="nav-link" href="javascript:void(0);"><i class="far fa-address-book"></i>Address Book</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="javascript:void(0);"><i class="far fa-clone"></i>Components</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="javascript:void(0);"><i class="far fa-calendar-alt"></i>Calendar</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="javascript:void(0);"><i class="far fa-chart-bar"></i>Charts</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="javascript:void(0);"><i class="far fa-copy"></i>Documents</a>
                </li>
            </ul>
        </div>
    </nav>

CSS

@import url('https://fonts.googleapis.com/css?family=Roboto');

body{
	font-family: 'Roboto', sans-serif;
}
* {
	margin: 0;
	padding: 0;
}
i {
	margin-right: 10px;
}
/*----------bootstrap-navbar-css------------*/
.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;
	}
}

Scripts

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.10.2/css/all.css" />

<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>

Javascript

// ---------Responsive-navbar-active-animation-----------
function test(){
	var tabsNewAnim = $('#navbarSupportedContent');
	var selectorNewAnim = $('#navbarSupportedContent').find('li').length;
	var activeItemNewAnim = tabsNewAnim.find('.active');
	var activeWidthNewAnimHeight = activeItemNewAnim.innerHeight();
	var activeWidthNewAnimWidth = activeItemNewAnim.innerWidth();
	var itemPosNewAnimTop = activeItemNewAnim.position();
	var itemPosNewAnimLeft = activeItemNewAnim.position();
	$(".hori-selector").css({
		"top":itemPosNewAnimTop.top + "px", 
		"left":itemPosNewAnimLeft.left + "px",
		"height": activeWidthNewAnimHeight + "px",
		"width": activeWidthNewAnimWidth + "px"
	});
	$("#navbarSupportedContent").on("click","li",function(e){
		$('#navbarSupportedContent ul li').removeClass("active");
		$(this).addClass('active');
		var activeWidthNewAnimHeight = $(this).innerHeight();
		var activeWidthNewAnimWidth = $(this).innerWidth();
		var itemPosNewAnimTop = $(this).position();
		var itemPosNewAnimLeft = $(this).position();
		$(".hori-selector").css({
			"top":itemPosNewAnimTop.top + "px", 
			"left":itemPosNewAnimLeft.left + "px",
			"height": activeWidthNewAnimHeight + "px",
			"width": activeWidthNewAnimWidth + "px"
		});
	});
}
$(document).ready(function(){
	setTimeout(function(){ test(); });
});
$(window).on('resize', function(){
	setTimeout(function(){ test(); }, 500);
});
$(".navbar-toggler").click(function(){
	$(".navbar-collapse").slideToggle(300);
	setTimeout(function(){ test(); });
});



// --------------add active class-on another-page move----------
jQuery(document).ready(function($){
	// Get current path and find target link
	var path = window.location.pathname.split("/").pop();

	// Account for home page with empty path
	if ( path == '' ) {
		path = 'index.html';
	}

	var target = $('#navbarSupportedContent ul li a[href="'+path+'"]');
	// Add active class to target link
	target.parent().addClass('active');
});