#hamburger-icon{display:block;width:50px}#hamburger-icon .line{width:30px;background:#000000;margin:6px 0 0;height:3px;display:block;transition:all .4s cubic-bezier(.645,.045,.355,1)}.line-1{margin-top:0}#hamburger-icon:hover .line-1{width:30px}#hamburger-icon:hover .line-2{width:40px}#hamburger-icon:hover .line-3{width:20px}