div.hamburger{cursor:pointer}.hamburger>span{width:35px;height:3px;background-color:#000;display:block;margin:8px auto;transition:all .3s ease-in-out}.hamburger>span.isActive:nth-child(2){opacity:0}.hamburger>span.isActive:first-child{transform:translateY(11px) rotate(45deg)}.hamburger>span.isActive:nth-child(3){transform:translateY(-11px) rotate(-45deg)}