Bootdey

Bootstrap snippet and html example. bs4 navbar with dropdown animations

Bootstrap 4.0.0 snippet "bs4 navbar with dropdown animations" with HTML, CSS, and JS. Copy, paste, and customize this responsive UI component for your project.
Tags: navbar,menu,dropdown,animation

Preview HTML CSS JS
Share on facebook Share on X

HTML code

Clean, semantic HTML that powers this Bootstrap 4.0.0 snippet. Copy and paste it into your page (with Bootstrap loaded) to reproduce the exact layout shown in the preview.

<header class="header-area overlay">
    <nav class="navbar navbar-expand-md navbar-dark">
		<div class="container">
			<a href="#" class="navbar-brand">Bootdey.com</a>
			
			<button type="button" class="navbar-toggler collapsed" data-toggle="collapse" data-target="#main-nav">
				<span class="menu-icon-bar"></span>
				<span class="menu-icon-bar"></span>
				<span class="menu-icon-bar"></span>
			</button>
			
			<div id="main-nav" class="collapse navbar-collapse">
				<ul class="navbar-nav ml-auto">
					<li><a href="#" class="nav-item nav-link active">Home</a></li>
					<li><a href="#" class="nav-item nav-link">About Us</a></li>
					<li class="dropdown">
						<a href="#" class="nav-item nav-link" data-toggle="dropdown">Services</a>
						<div class="dropdown-menu">
							<a href="#" class="dropdown-item">Dropdown Item 1</a>
							<a href="#" class="dropdown-item">Dropdown Item 2</a>
							<a href="#" class="dropdown-item">Dropdown Item 3</a>
						</div>
					</li>
					<li class="dropdown">
						<a href="#" class="nav-item nav-link" data-toggle="dropdown">Portfolio</a>
						<div class="dropdown-menu">
							<a href="#" class="dropdown-item">Dropdown Item 1</a>
							<a href="#" class="dropdown-item">Dropdown Item 2</a>
							<a href="#" class="dropdown-item">Dropdown Item 3</a>
							<a href="#" class="dropdown-item">Dropdown Item 4</a>
							<a href="#" class="dropdown-item">Dropdown Item 5</a>
						</div>
					</li>
					<li><a href="#" class="nav-item nav-link">Contact</a></li>
				</ul>
			</div>
		</div>
	</nav>
	
	<div class="banner">
		<div class="container">
			<h1>Bootstrap 4 Navbar</h1>
			<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec elit ex. Etiam elementum lectus et tempor molestie.</p>
			<a href="#content" class="button button-primary">Learn More</a>
		</div>
	</div>
</header>

<main>
	<section id="content" class="content">
		<div class="container">
			<div class="row">
				<div class="col-md-4">
					<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec elit ex. Etiam elementum lectus et tempor molestie. Pellentesque vestibulum dui sit amet dui volutpat sollicitudin. Etiam non erat finibus, iaculis nunc vel, convallis eros. Etiam efficitur tempor dui, vitae fringilla ipsum tristique quis. Aliquam erat volutpat. Cras ullamcorper ex et viverra vulputate. Nam lectus ligula, pretium nec risus nec, ultricies fringilla mauris. Proin quis venenatis neque, iaculis porta nulla. </p>
				</div>
				<div class="col-md-4">
					<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec elit ex. Etiam elementum lectus et tempor molestie. Pellentesque vestibulum dui sit amet dui volutpat sollicitudin. Etiam non erat finibus, iaculis nunc vel, convallis eros. Etiam efficitur tempor dui, vitae fringilla ipsum tristique quis. Aliquam erat volutpat. Cras ullamcorper ex et viverra vulputate. Nam lectus ligula, pretium nec risus nec, ultricies fringilla mauris. Proin quis venenatis neque, iaculis porta nulla. </p>
				</div>
				<div class="col-md-4">
					<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec elit ex. Etiam elementum lectus et tempor molestie. Pellentesque vestibulum dui sit amet dui volutpat sollicitudin. Etiam non erat finibus, iaculis nunc vel, convallis eros. Etiam efficitur tempor dui, vitae fringilla ipsum tristique quis. Aliquam erat volutpat. Cras ullamcorper ex et viverra vulputate. Nam lectus ligula, pretium nec risus nec, ultricies fringilla mauris. Proin quis venenatis neque, iaculis porta nulla. </p>
				</div>
			</div>
		</div>
	</section>
</main>

CSS code

Scoped CSS that styles the component. Paste it after Bootstrap 4.0.0 to keep the design, spacing, and responsiveness consistent.

@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,700,800');
@import url('https://fonts.googleapis.com/css?family=Lobster');
html {
  font-size: 62.5%;
}
body {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.6rem;
  font-weight: 400;
}
h1 {
  margin-bottom: 0.5em;
  font-size: 3.6rem;
}
p {
  margin-bottom: 0.5em;
  font-size: 1.6rem;
  line-height: 1.6;
}
.button {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 25px;
  border-radius: 4px;
}
.button-primary {
  position: relative;
  background-color: #c0ca33;
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  transition: color 0.3s ease-in;
  z-index: 1;
}
.button-primary:hover {
  color: #c0ca33;
  text-decoration: none;
}
.button-primary::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  background-color: #fff;
  border-radius: 4px;
  opacity: 0;
  -webkit-transform: scaleX(0.8);
  -ms-transform: scaleX(0.8);
  transform: scaleX(0.8);
  transition: all 0.3s ease-in;
  z-index: -1;
}
.button-primary:hover::after {
  opacity: 1;
  -webkit-transform: scaleX(1);
  -ms-transform: scaleX(1);
  transform: scaleX(1);
}
.overlay::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  background-color: rgba(0, 0, 0, .3);
}
.header-area {
  position: relative;
  height: 100vh;
  background: #5bc0de;
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repear;
  background-size: cover;
}
.banner {
  display: flex;
  align-items: center;
  position: relative;
  height: 100%;
  color: #fff;
  text-align: center;
  z-index: 1;
}
.banner h1 {
  font-weight: 800;
}
.banner p {
  font-weight: 700;
}
.navbar {
  position: absolute;
  left: 0;
  top: 0;
  padding: 0;
  width: 100%;
  transition: background 0.6s ease-in;
  z-index: 99999;
}
.navbar .navbar-brand {
  font-family: 'Lobster', cursive;
  font-size: 2.5rem;
}
.navbar .navbar-toggler {
  position: relative;
  height: 50px;
  width: 50px;
  border: none;
  cursor: pointer;
  outline: none;
}
.navbar .navbar-toggler .menu-icon-bar {
  position: absolute;
  left: 15px;
  right: 15px;
  height: 2px;
  background-color: #fff;
  opacity: 0;
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
  transition: all 0.3s ease-in;
}
.navbar .navbar-toggler .menu-icon-bar:first-child {
  opacity: 1;
  -webkit-transform: translateY(-1px) rotate(45deg);
  -ms-sform: translateY(-1px) rotate(45deg);
  transform: translateY(-1px) rotate(45deg);
}
.navbar .navbar-toggler .menu-icon-bar:last-child {
  opacity: 1;
  -webkit-transform: translateY(-1px) rotate(135deg);
  -ms-sform: translateY(-1px) rotate(135deg);
  transform: translateY(-1px) rotate(135deg);
}
.navbar .navbar-toggler.collapsed .menu-icon-bar {
  opacity: 1;
}
.navbar .navbar-toggler.collapsed .menu-icon-bar:first-child {
  -webkit-transform: translateY(-7px) rotate(0);
  -ms-sform: translateY(-7px) rotate(0);
  transform: translateY(-7px) rotate(0);
}
.navbar .navbar-toggler.collapsed .menu-icon-bar:last-child {
  -webkit-transform: translateY(5px) rotate(0);
  -ms-sform: translateY(5px) rotate(0);
  transform: translateY(5px) rotate(0);
}
.navbar-dark .navbar-nav .nav-link {
  position: relative;
  color: #fff;
  font-size: 1.6rem;
}
.navbar-dark .navbar-nav .nav-link:focus, .navbar-dark .navbar-nav .nav-link:hover {
  color: #fff;
}
.navbar .dropdown-menu {
  padding: 0;
  background-color: rgba(0, 0, 0, .9);
}
.navbar .dropdown-menu .dropdown-item {
  position: relative;
  padding: 10px 20px;
  color: #fff;
  font-size: 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  transition: color 0.2s ease-in;
}
.navbar .dropdown-menu .dropdown-item:last-child {
  border-bottom: none;
}
.navbar .dropdown-menu .dropdown-item:hover {
  background: transparent;
  color: #c0ca33;
}
.navbar .dropdown-menu .dropdown-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  top: 0;
  width: 5px;
  background-color: #c0ca33;
  opacity: 0;
  transition: opacity 0.2s ease-in;
}
.navbar .dropdown-menu .dropdown-item:hover::before {
  opacity: 1;
}
.navbar.fixed-top {
  position: fixed;
  -webkit-animation: navbar-animation 0.6s;
  animation: navbar-animation 0.6s;
  background-color: rgba(0, 0, 0, .9);
}
.navbar.fixed-top.navbar-dark .navbar-nav .nav-link.active {
  color: #c0ca33;
}
.navbar.fixed-top.navbar-dark .navbar-nav .nav-link::after {
  background-color: #c0ca33;
}
.content {
  padding: 120px 0;
}
@media screen and (max-width: 768px) {
  .navbar-brand {
    margin-left: 20px;
  }
  .navbar-nav {
    padding: 0 20px;
    background-color: rgba(0, 0, 0, .9);
  }
  .navbar.fixed-top .navbar-nav {
    background: transparent;
  }
}
@media screen and (min-width: 767px) {
  .banner {
    padding: 0 150px;
  }
  .banner h1 {
    font-size: 5rem;
  }
  .banner p {
    font-size: 2rem;
  }
  .navbar-dark .navbar-nav .nav-link {
    padding: 23px 15px;
  }
  .navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 30%;
    right: 30%;
    height: 1px;
    background-color: #fff;
    -webkit-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transform: scaleX(0);
    transition: transform 0.1s ease-in;
  }
  .navbar-dark .navbar-nav .nav-link:hover::after {
    -webkit-transform: scaleX(1);
    -ms-transform: scaleX(1);
    transform: scaleX(1);
  }
  .dropdown-menu {
    min-width: 200px;
    -webkit-animation: dropdown-animation 0.3s;
    animation: dropdown-animation 0.3s;
    -webkit-transform-origin: top;
    -ms-transform-origin: top;
    transform-origin: top;
  }
}
@-webkit-keyframes navbar-animation {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-100%);
    -ms-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }
}
@keyframes navbar-animation {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-100%);
    -ms-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }
}
@-webkit-keyframes dropdown-animation {
  0% {
    -webkit-transform: scaleY(0);
    -ms-transform: scaleY(0);
    transform: scaleY(0);
  }
  75% {
    -webkit-transform: scaleY(1.1);
    -ms-transform: scaleY(1.1);
    transform: scaleY(1.1);
  }
  100% {
    -webkit-transform: scaleY(1);
    -ms-transform: scaleY(1);
    transform: scaleY(1);
  }
}
@keyframes dropdown-animation {
  0% {
    -webkit-transform: scaleY(0);
    -ms-transform: scaleY(0);
    transform: scaleY(0);
  }
  75% {
    -webkit-transform: scaleY(1.1);
    -ms-transform: scaleY(1.1);
    transform: scaleY(1.1);
  }
  100% {
    -webkit-transform: scaleY(1);
    -ms-transform: scaleY(1);
    transform: scaleY(1);
  }
}

Javascript/Jquery code

Lightweight JS to power any interactions this snippet needs. Drop it under your scripts (after Bootstrap 4.0.0) to mirror the live demo.

jQuery(function($) {
    $(window).on('scroll', function() {
		if ($(this).scrollTop() >= 200) {
			$('.navbar').addClass('fixed-top');
		} else if ($(this).scrollTop() == 0) {
			$('.navbar').removeClass('fixed-top');
		}
	});
	
	function adjustNav() {
		var winWidth = $(window).width(),
			dropdown = $('.dropdown'),
			dropdownMenu = $('.dropdown-menu');
		
		if (winWidth >= 768) {
			dropdown.on('mouseenter', function() {
				$(this).addClass('show')
					.children(dropdownMenu).addClass('show');
			});
			
			dropdown.on('mouseleave', function() {
				$(this).removeClass('show')
					.children(dropdownMenu).removeClass('show');
			});
		} else {
			dropdown.off('mouseenter mouseleave');
		}
	}
	
	$(window).on('resize', adjustNav);
	
	adjustNav();
});

Similar snippets

Find more similar snippets using the following tags:navbar,menu,dropdown,animation

Bootstrap example and template. Responsive Parallax Navbar

Responsive Parallax Navbar

View
Bootstrap example and template. Select Content Type

Select Content Type

View
Bootstrap example and template. show hide top menu

show hide top menu

View
Bootstrap example and template. Sidebar left menu

Sidebar left menu

View
Bootstrap example and template. bs5 dark footer

bs5 dark footer

View
Bootstrap example and template. Whatsapp Chat Box POPUP

Whatsapp Chat Box POPUP

View
Bootstrap example and template. cards with numbers

cards with numbers

View
Bootstrap example and template. bs4 types of timelines

bs4 types of timelines

View

FAQ

How do I use this snippet?

Include Bootstrap 4.0.0, paste the HTML, add the CSS block, and include the JS (if any) to mirror the live preview.

Can I use it in commercial projects?

Yes. It’s free for personal and commercial work; check the snippets license for details.

Is it responsive?

Yes. It inherits the responsive grid and components from Bootstrap 4.0.0.

Bootstrap example and template. bs4 navbar with dropdown animations

About this bootstrap example/template

This free Bootstrap 4.0.0 snippet, bs4 navbar with dropdown animations, was published on Mar 1st 2018, 13:10 by Bootdey Admin.

Optimized for copy‑paste: clean HTML, scoped CSS, and minimal JS so you can ship production‑ready UI faster and keep designs consistent.

Mobile‑first and responsive by default. Tested across modern browsers to reduce polish time on your project.

Already trusted in 26.4K+ views. Reuse this snippet to speed up landing pages, dashboards, or onboarding flows.

Bootstrap 4.0.0

<link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css'>

<script src='https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js'></script>

This code example is based on bootstrap 4.0.0 and the grid system of this framework

Responsive

Based on bootstrap framework makes all the layouts perfectly responsive for all devices

Crossbrowser compatibility

Tested on all major browsers, it works smoothly on all of them

Jquery plugins

Great built-in plugins with jquery framework, you can easy to change all declarations

semantic html 5

Built on html / css3 the code quality is really amazing

Simple Integration

This code example can be simply integrated on existing sites and new ones too, all you need to do is copy the code and start working

  1. Home
  2. Bootstrap Snippets
  3. navbar
  4. Bootstrap html snippet. bs4 navbar with dropdown animations