.hamburger{background-color:var(--lightgreen);display:block;height:3px;position:relative;width:23px}#hamburgerbtn.open .hamburger:first-child{transform:rotate(35deg)}#hamburgerbtn.open .hamburger:nth-child(3){transform:rotate(-35deg)}#hamburgerbtn.open .hamburger:nth-child(2){opacity:0;transform:translate(-20px)}.hamburger:first-child,.hamburger:nth-child(3){transform-origin:left center;transition:transform .3s ease}.hamburger:nth-child(2){transition:transform .3s ease,opacity .3s ease}