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Modern Off-canvas Burger Menu With jQuery And CSS3

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License: MIT
   
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Chrome, IE10+, FireFox, Opera, Safari#Off-Canvas menu
Modern Off-canvas Burger Menu With jQuery And CSS3

A modern, CSS3 animated off-canvas hamburger menu created for both mobile and desktop. Heavily based on CSS3 transitions and transforms. jQuery is only used to toggle the CSS classes as you open/close the burger menu.

How to use it:

1. Create a standard nav for the burger menu.

<nav>
  <ul class="main">
    <li><a href="#">Home</a></li>
    <li><a href="#">Works</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Contact</a></li>
    <li><a href="#">Blog</a></li>
  </ul>
</nav>

2. Create a hamburger toggle button to open/close the burger menu.

<div class="burger">
  <span></span>
</div>

3. Create a background overlay which will appear when the burger menu is opened.

<div class="overlay"></div>

4. The primary CSS/CSS3 styles.

/*  BURGER
========================================== */

.burger {
  width: 50px;
  height: 50px;
  position: fixed;
  top: 20px;
  right: 20px;
  border-radius: 4px;
  z-index: 10;
}

.burger span {
  position: relative;
  margin-top: 9px;
  margin-bottom: 9px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -15px;
  margin-top: -1.5px;
}

.burger span, .burger span::before, .burger span::after {
  display: block;
  width: 30px;
  height: 3px;
  background-color: #2a2a2a;
  outline: 1px solid transparent;
  -webkit-transition-property: background-color, -webkit-transform;
  -moz-transition-property: background-color, -moz-transform;
  -o-transition-property: background-color, -o-transform;
  transition-property: background-color, transform;
  -webkit-transition-duration: 0.3s;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  transition-duration: 0.3s;
}

.burger span::before, .burger span::after {
  position: absolute;
  content: "";
}

.burger span::before { top: -9px; }

.burger span::after { top: 9px; }

.burger.clicked span { background-color: transparent; }

.burger.clicked span::before {
  -webkit-transform: translateY(9px) rotate(45deg);
  -moz-transform: translateY(9px) rotate(45deg);
  -ms-transform: translateY(9px) rotate(45deg);
  -o-transform: translateY(9px) rotate(45deg);
  transform: translateY(9px) rotate(45deg);
}

.burger.clicked span::after {
  -webkit-transform: translateY(-9px) rotate(-45deg);
  -moz-transform: translateY(-9px) rotate(-45deg);
  -ms-transform: translateY(-9px) rotate(-45deg);
  -o-transform: translateY(-9px) rotate(-45deg);
  transform: translateY(-9px) rotate(-45deg);
}

.burger.clicked span:before, .burger.clicked span:after { background-color: #ffffff; }

.burger:hover { cursor: pointer; }

/*  NAV
========================================== */

nav {
  background-color: #2a2a2a;
  position: fixed;
  z-index: 9;
  top: 0;
  right: 0;
  height: 100%;
  max-width: 515px;
  width: 100%;
  padding: 100px 40px 60px 40px;
  overflow-y: auto;
  -webkit-transform: translateX(100%);
  -moz-transform: translateX(100%);
  -ms-transform: translateX(100%);
  -o-transform: translateX(100%);
  transform: translateX(100%);
  -webkit-transition: transform 0.55s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  -moz-transition: transform 0.55s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  -o-transition: transform 0.55s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  transition: transform 0.55s cubic-bezier(0.785, 0.135, 0.15, 0.86);
}

nav.show {
  -webkit-transform: translateX(0px);
  -moz-transform: translateX(0px);
  -ms-transform: translateX(0px);
  -o-transform: translateX(0px);
  transform: translateX(0px);
}

nav.show ul.main li {
  -webkit-transform: translateX(0px);
  -moz-transform: translateX(0px);
  -ms-transform: translateX(0px);
  -o-transform: translateX(0px);
  transform: translateX(0px);
  opacity: 1;
}

nav.show ul.main li:nth-child(1) { transition-delay: 0.15s; }

nav.show ul.main li:nth-child(2) { transition-delay: 0.3s; }

nav.show ul.main li:nth-child(3) { transition-delay: 0.45s; }

nav.show ul.main li:nth-child(4) { transition-delay: 0.6s; }

nav.show ul.main li:nth-child(5) { transition-delay: 0.75s; }

nav.show ul.main li:nth-child(6) { transition-delay: 0.9s; }

nav.show ul.main li:nth-child(7) { transition-delay: 1.05s; }

nav.show ul.main li:nth-child(8) { transition-delay: 1.2s; }

nav.show ul.main li:nth-child(9) { transition-delay: 1.35s; }

nav.show .about, nav.show .social, nav.show ul.sub {
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -o-transform: translateY(0px);
  transform: translateY(0px);
  opacity: 1;
  transition-delay: .85s;
}
@media (min-width: 667px) {

nav { padding: 120px 90px 70px 90px; }
}

nav ul.main { list-style-type: none; }

nav ul.main li {
  margin-bottom: 20px;
  -webkit-transform: translateX(40px);
  -moz-transform: translateX(40px);
  -ms-transform: translateX(40px);
  -o-transform: translateX(40px);
  transform: translateX(40px);
  opacity: 0;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

nav ul.main li:last-of-type { margin-bottom: 0px; }

nav ul.main li a {
  color: #ffffff;
  font-family: "Raleway", sans-serif;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 1.5rem;
  display: block;
  letter-spacing: 5px;
  font-weight: 600;
  padding: 10px 0;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

nav ul.main li a span { color: #b7ac7f; }

nav ul.main li a:hover { color: #b7ac7f; }

nav .about {
  margin-top: 40px;
  -webkit-transform: translateY(30px);
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -o-transform: translateY(30px);
  transform: translateY(30px);
  opacity: 0;
  -webkit-transition: all 0.4s ease;
  -moz-transition: all 0.4s ease;
  -o-transition: all 0.4s ease;
  transition: all 0.4s ease;
}

nav .about p {
  color: #ffffff;
  font-family: "Spectral", serif;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  line-height: 170%;
}

nav .social {
  margin-top: 40px;
  position: relative;
  padding-bottom: 30px;
  -webkit-transform: translateY(30px);
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -o-transform: translateY(30px);
  transform: translateY(30px);
  opacity: 0;
  -webkit-transition: all 0.4s ease;
  -moz-transition: all 0.4s ease;
  -o-transition: all 0.4s ease;
  transition: all 0.4s ease;
}

nav .social:after {
  content: "";
  width: 230px;
  height: 2px;
  background-color: #b7ac7f;
  position: absolute;
  bottom: 0;
  left: 0;
}

nav .social a {
  display: inline-block;
  width: 30px;
  height: 30px;
  margin-right: 25px;
}

nav .social a:last-of-type { margin-right: 0px; }

nav .social a:hover svg path, nav .social a:hover svg circle { fill: #b7ac7f; }

nav .social a svg {
  width: 100%;
  height: 100%;
}

nav .social a svg path, nav .social a svg circle {
  fill: #ffffff;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

nav ul.sub {
  list-style-type: none;
  margin-top: 40px;
  -webkit-transform: translateY(30px);
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -o-transform: translateY(30px);
  transform: translateY(30px);
  opacity: 0;
  -webkit-transition: all 0.4s ease;
  -moz-transition: all 0.4s ease;
  -o-transition: all 0.4s ease;
  transition: all 0.4s ease;
}

nav ul.sub li { margin-bottom: 10px; }

nav ul.sub li:last-of-type { margin-bottom: 0px; }

nav ul.sub li a {
  color: #ffffff;
  font-family: "Raleway", sans-serif;
  letter-spacing: 1px;
  font-size: 0.9rem;
  text-decoration: none;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

nav ul.sub li a:hover { color: #b7ac7f; }

/*  OVERLAY
========================================== */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  background-color: #b7ac7f;
  opacity: 0;
  visibility: hidden;
}

.overlay.show {
  opacity: 0.8;
  visibility: visible;
}

5. Import the latest version of jQuery JavaScript library into the document.

<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" 
        integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" 
        crossorigin="anonymous">
</script>

6. The main jQuery script to toggle the CSS classes as you open/close the burger menu.

$('.burger, .overlay').click(function(){
  $('.burger').toggleClass('clicked');
  $('.overlay').toggleClass('show');
  $('nav').toggleClass('show');
  $('body').toggleClass('overflow');
});

This awesome jQuery plugin is developed by BeanBaag. For more Advanced Usages, please check the demo page or visit the official website.