Hamburger Circular Menu In CSS

This demo is used to creating a hamburger circular menu effect using CSS and Javascript.

There are two variants of the menu. You can modify the demo and animation according to your need.

Core attribute & class details

- data- attributes: dd-toggle to toggle the menu.

menu--top-left and menu--top-right are the position & animation classes. you can customize the code in CSS to change the animation/position.

HTML

<div class="menu menu--top-left" id="menu_top_left">
	<a class="menu__hamburger_ico" dd-toggle="menu_top_left">
		<span></span>
		<span></span>
		<span></span>
	</a>
	<ul class="menu__nav_list">
		<li><a href="#">Home</a></li>
		<li><a href="#">About</a></li>
		<li><a href="#">Blog</a></li>
		<li><a href="#">News</a></li>
		<li><a href="#">Services</a></li>
		<li><a href="#">Contact</a></li>
	</ul>
</div>
<div class="menu menu--top-right" id="menu_top_right">
	<a class="menu__hamburger_ico" dd-toggle="menu_top_right">
		<span></span>
		<span></span>
		<span></span>
	</a>
	<ul class="menu__nav_list">
		<li><a href="#">Home</a></li>
		<li><a href="#">About</a></li>
		<li><a href="#">Blog</a></li>
		<li><a href="#">News</a></li>
		<li><a href="#">Services</a></li>
		<li><a href="#">Contact</a></li>
	</ul>
</div>

CSS

.menu {
	position: fixed;
	width: 0;
	height: 0;
}
.menu.menu--top-left {
	top: 0;
	left: 0;
}
.menu.menu--top-right {
	top: 0;
	right: 0;
}
.menu:after {
	position: absolute;
	content: " ";
	background: #393E46;
	z-index: -1;
	width: 0;
	height: 0;
	-webkit-transition: all .5s cubic-bezier(0, 0, 0, 1);
	   -moz-transition: all .5s cubic-bezier(0, 0, 0, 1);
	    -ms-transition: all .5s cubic-bezier(0, 0, 0, 1);
	     -o-transition: all .5s cubic-bezier(0, 0, 0, 1);
	        transition: all .5s cubic-bezier(0, 0, 0, 1);
}
.menu.menu--top-left:after {
	border-bottom-right-radius: 100%;
	top: 0;
	left: 0;
}
.menu.menu--top-right:after {
	top: 0;
	right: 0;
	border-bottom-left-radius: 100%;
}
.menu.in:after {
	width: 50vh;
	height: 50vh;
}

.menu.in {
	width: 50vh;
	height: 50vh;
}

.menu .menu__hamburger_ico {
	position: relative;
	display: inline-block;
	background: #393E46;
	color: #fff;
	height: 70px;
	width: 70px;
	box-shadow: 0 0 0 20px #393E46;
	-webkit-transition: all .25s ease-in;
	   -moz-transition: all .25s ease-in;
	    -ms-transition: all .25s ease-in;
	     -o-transition: all .25s ease-in;
	        transition: all .25s ease-in;
	cursor: pointer;
	z-index: 99;
}
.menu.menu--top-right .menu__hamburger_ico {
	border-bottom-left-radius: 100%;
	float: right;
}
.menu.menu--top-left .menu__hamburger_ico {
	border-bottom-right-radius: 100%;
	float: left;
}

.menu .menu__hamburger_ico:hover {
	box-shadow: 0 0 0 10px #393E46;
}

.menu .menu__hamburger_ico span {
	position: absolute;
	display: inline-block;
	height: 3px;
	width: 40px;
	border-radius: 10px;
	background: #fff;
	-webkit-transition: all .25s cubic-bezier(0, 0, 1, 1);
	   -moz-transition: all .25s cubic-bezier(0, 0, 1, 1);
	    -ms-transition: all .25s cubic-bezier(0, 0, 1, 1);
	     -o-transition: all .25s cubic-bezier(0, 0, 1, 1);
	        transition: all .25s cubic-bezier(0, 0, 1, 1);
}
.menu.menu--top-left .menu__hamburger_ico span {
	left: 10px;
}
.menu.menu--top-right .menu__hamburger_ico span {
	right: 10px;
}
.menu .menu__hamburger_ico span:first-child {
	top: 20px;
}
.menu .menu__hamburger_ico span:nth-child(2) {
	top: 35px;
}
.menu .menu__hamburger_ico span:last-child {
	top: 50px;
}
.menu.menu--top-left .menu__hamburger_ico span:first-child {
	transform-origin: left;
}
.menu.menu--top-right .menu__hamburger_ico span:first-child {
	transform-origin: right;
}

.menu.menu--top-left .menu__hamburger_ico span:last-child {
	transform-origin: left;
}
.menu.menu--top-right .menu__hamburger_ico span:last-child {
	transform-origin: right;
}

.menu.menu--top-left .menu__hamburger_ico.in span:first-child {
	-webkit-transform: rotate(45deg);
	   -moz-transform: rotate(45deg);
	    -ms-transform: rotate(45deg);
	     -o-transform: rotate(45deg);
	        transform: rotate(45deg);
}
.menu.menu--top-left .menu__hamburger_ico.in span:last-child {
	-webkit-transform: rotate(-45deg);
	   -moz-transform: rotate(-45deg);
	    -ms-transform: rotate(-45deg);
	     -o-transform: rotate(-45deg);
	        transform: rotate(-45deg);
}
.menu.menu--top-right .menu__hamburger_ico.in span:first-child {
	-webkit-transform: rotate(-45deg);
	   -moz-transform: rotate(-45deg);
	    -ms-transform: rotate(-45deg);
	     -o-transform: rotate(-45deg);
	        transform: rotate(-45deg);
}
.menu.menu--top-right .menu__hamburger_ico.in span:last-child {
	-webkit-transform: rotate(45deg);
	   -moz-transform: rotate(45deg);
	    -ms-transform: rotate(45deg);
	     -o-transform: rotate(45deg);
	        transform: rotate(45deg);
}
.menu .menu__hamburger_ico.in span:nth-child(2) {
	opacity: 0;
}

.menu .menu__nav_list {
	position: absolute;
	margin: 0;
	padding: 0;
	list-style: none;
	top: 50%;
	-webkit-transform: translateY(-65%);
	   -moz-transform: translateY(-65%);
	    -ms-transform: translateY(-65%);
	     -o-transform: translateY(-65%);
	        transform: translateY(-65%);
}
.menu.menu--top-left .menu__nav_list {
	left: 25%;
	text-align: left;
}
.menu.menu--top-right .menu__nav_list {
	right: 25%;
	text-align: right;
}
.menu .menu__nav_list li a {
	position: relative;
	display: inline-block;
	font-weight: 700;
	font-size: 24px;
	line-height: 40px;
	color: #fff;
	visibility: hidden;
	opacity: 0;
	text-decoration: none;
}
.menu.menu--top-left .menu__nav_list li a {
	-webkit-transform: translateX(-25px);
	   -moz-transform: translateX(-25px);
	    -ms-transform: translateX(-25px);
	     -o-transform: translateX(-25px);
	        transform: translateX(-25px);
}
.menu.menu--top-right .menu__nav_list li a {
	-webkit-transform: translateX(25px);
	   -moz-transform: translateX(25px);
	    -ms-transform: translateX(25px);
	     -o-transform: translateX(25px);
	        transform: translateX(25px);
}
.menu.in .menu__nav_list li a {
	opacity: 1;
	visibility: visible;
	-webkit-transform: translateX(0);
	   -moz-transform: translateX(0);
	    -ms-transform: translateX(0);
	     -o-transform: translateX(0);
	        transform: translateX(0);
	-webkit-transition: all .25s ease;
	   -moz-transition: all .25s ease;
	    -ms-transition: all .25s ease;
	     -o-transition: all .25s ease;
	        transition: all .25s ease;

}
.menu.in .menu__nav_list li a:before {
	position: absolute;
	content: " ";
	width: 0;
	height: 2px;
	background: #fff;
	border-radius: 5px;
	top: 50%;
	-webkit-transition: all .25s ease;
	   -moz-transition: all .25s ease;
	    -ms-transition: all .25s ease;
	     -o-transition: all .25s ease;
	        transition: all .25s ease;
}
.menu.in.menu--top-left .menu__nav_list li a:before {
	margin-left: -5px;
	left: -20px;
}
.menu.in.menu--top-right .menu__nav_list li a:before {
	margin-right: -5px;
	right: -20px;
}
.menu.in .menu__nav_list li a:hover:before {
	width: 20px;
}
.menu.in .menu__nav_list li:nth-child(1) a { transition-delay: .15s; }
.menu.in .menu__nav_list li:nth-child(2) a { transition-delay: .30s; }
.menu.in .menu__nav_list li:nth-child(3) a { transition-delay: .45s; }
.menu.in .menu__nav_list li:nth-child(4) a { transition-delay: .60s; }
.menu.in .menu__nav_list li:nth-child(5) a { transition-delay: .75s; }
.menu.in .menu__nav_list li:nth-child(6) a { transition-delay: .90s; }
.menu.in .menu__nav_list li:nth-child(7) a { transition-delay: 1.05s; }
.menu.in .menu__nav_list li:nth-child(8) a { transition-delay: 1.2s; }
.menu.in .menu__nav_list li:nth-child(9) a { transition-delay: 1.35s; }
.menu.in .menu__nav_list li:nth-child(10) a { transition-delay: 1.5s; }

And we add some JS to toggle an active class on click.

Javascript/jQuery

$('[dd-toggle]').on('click', function() {
	var menu_id = $(this).attr('dd-toggle');
	$('#'+menu_id).toggleClass('in');
	$(this).toggleClass('in');
});