<h3>CSS Animated Hamburger Icon (click on hamburger)</h3>
<a id="nav-toggle" href="#"><span></span></a>
body { background-color: black; height: 100%; }
h3 { color: white; }
#nav-toggle { position: absolute; left: 50%; top: 50%; }
#nav-toggle { cursor: pointer; padding: 10px 35px 16px 0px; }
#nav-toggle span, #nav-toggle span:before, #nav-toggle span:after {
cursor: pointer;
border-radius: 1px;
height: 5px;
width: 35px;
background: white;
position: absolute;
display: block;
content: '';
}
#nav-toggle span:before {
top: -10px;
}
#nav-toggle span:after {
bottom: -10px;
}
#nav-toggle span, #nav-toggle span:before, #nav-toggle span:after {
transition: all 500ms ease-in-out;
}
#nav-toggle.active span {
background-color: transparent;
}
#nav-toggle.active span:before, #nav-toggle.active span:after {
top: 0;
}
#nav-toggle.active span:before {
transform: rotate(45deg);
}
#nav-toggle.active span:after {
transform: rotate(-45deg);
}
document.querySelector( "#nav-toggle" )
.addEventListener( "click", function() {
this.classList.toggle( "active" );
});
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