Responsive Simple Navigation Menu

index.html

<nav class="navbar">
	<div class="container">
		<section class="wrapper">
			<h1 class="brand"><a href="./index.html" class="brand-link">LOGO</a></h1>
			<button type="button" class="burger" id="burger">
				<span class="burger-line"></span>
				<span class="burger-line"></span>
				<span class="burger-line"></span>
				<span class="burger-line"></span>
			</button>
			<div class="menu" id="menu">
				<ul class="menu-inner">
					<li class="menu-item"><a href="#" class="menu-link active">Home</a></li>
					<li class="menu-item"><a href="#" class="menu-link">Profile</a></li>
					<li class="menu-item"><a href="#" class="menu-link">Project</a></li>
					<li class="menu-item"><a href="#" class="menu-link">Blog</a></li>
					<li class="menu-item"><a href="#" class="menu-link">Contact</a></li>
				</ul>
			</div>
		</section>
	</div>
</nav>

responsive-simple-navigation-menu.markdown

Responsive Simple Navigation Menu

A Pen by Prashant Nayak on CodePen.

License.

script.js

// Initialize All Required DOM Element
const burgerMenu = document.getElementById("burger");
const navbarMenu = document.getElementById("menu");

// Initialize Responsive Navbar Menu
burgerMenu.addEventListener("click", () => {
	burgerMenu.classList.toggle("active");
	navbarMenu.classList.toggle("active");

	if (navbarMenu.classList.contains("active")) {
		navbarMenu.style.maxHeight = navbarMenu.scrollHeight + "px";
	} else {
		navbarMenu.removeAttribute("style");
	}
});

style.css

:root {
	--color-white: #fff;
	--color-light: #f1f5f8;
	--color-black: #121212;
	--color-night: #001633;
	--color-purple: #9b27b0;
	--color-indigo: #63f;
	--shadow-small: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
	--shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
		0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
		0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
html {
	font-size: 100%;
	box-sizing: border-box;
	scroll-behavior: smooth;
}
*,
*::before,
*::after {
	padding: 0;
	margin: 0;
	box-sizing: inherit;
	list-style: none;
	list-style-type: none;
	text-decoration: none;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
}
body {
	font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
	font-size: 1rem;
	font-weight: 400;
	line-height: 1.5;
	color: var(--color-black);
	background: var(--color-white);
}
a,
button {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
	cursor: pointer;
	border: none;
	outline: none;
	background: none;
	text-decoration: none;
}
img,
video {
	display: block;
	max-width: 100%;
	height: auto;
	object-fit: cover;
}
.container {
	max-width: 83rem;
	width: 100%;
	height: auto;
	margin: 0 auto;
	padding: 0 2rem;
}
.brand-link {
	font-family: inherit;
	font-size: 1.75rem;
	font-weight: 700;
	line-height: inherit;
	border: none;
	outline: none;
	color: var(--color-indigo);
	text-transform: uppercase;
	text-rendering: optimizeLegibility;
}
.navbar {
	max-width: 100%;
	height: auto;
	margin: 0 auto;
	padding: 0.75rem 0;
	border: none;
	outline: none;
	color: var(--color-black);
	background: var(--color-white);
	box-shadow: var(--shadow-large);
}
.navbar .wrapper {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	height: auto;
	margin: 0 auto;
}
.navbar .burger {
	position: relative;
	display: none;
	cursor: pointer;
	width: 2rem;
	height: 1rem;
	border: none;
	outline: none;
	opacity: 0;
	visibility: hidden;
	background: none;
	transform: rotate(0deg);
	transition: 0.35s ease-in-out;
}
.navbar .burger-line {
	display: block;
	position: absolute;
	width: 100%;
	height: 2px;
	left: 0;
	border: none;
	outline: none;
	opacity: 1;
	border-radius: 0.25rem;
	background: var(--color-black);
	transform: rotate(0deg);
	transition: 0.25s ease-in-out;
}
.navbar .burger-line:nth-child(1) {
	top: 0;
}
.navbar .burger-line:nth-child(2),
.navbar .burger-line:nth-child(3) {
	top: 0.5rem;
}
.navbar .burger-line:nth-child(4) {
	top: 1rem;
}
.navbar .burger.active .burger-line:nth-child(1),
.navbar .burger.active .burger-line:nth-child(4) {
	top: 1.25rem;
	width: 0%;
	left: 50%;
}
.navbar .burger.active .burger-line:nth-child(2) {
	transform: rotate(45deg);
}
.navbar .burger.active .burger-line:nth-child(3) {
	transform: rotate(-45deg);
}
.navbar .menu-inner {
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	gap: 2rem;
}
.navbar .menu-link {
	font-family: inherit;
	font-size: 1rem;
	font-weight: 600;
	line-height: inherit;
	border: none;
	color: var(--color-black);
	text-transform: uppercase;
	text-rendering: optimizeLegibility;
	transition: all 0.35s ease-in-out;
}
.navbar .menu-link.active,
.navbar .menu-link:hover {
	border: none;
	outline: none;
	color: var(--color-indigo);
}
@media only screen and (max-width: 768px) {
	.navbar .burger {
		display: block;
		opacity: 1;
		visibility: visible;
	}
	.navbar .menu {
		width: 100%;
		max-height: 0rem;
		padding: 0;
		opacity: 0;
		visibility: hidden;
		overflow: hidden;
		transition: all 0.35s ease;
	}
	.navbar .menu.active {
		opacity: 1;
		visibility: visible;
	}
	.navbar .menu-inner {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: flex-start;
		gap: 0.75rem;
		padding: 1rem 0;
	}
}