.mobile-menu-btn.active span:first-child{transform:translateY(7px)rotate(45deg)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.phone-3d{transition:transform .5s;transform:rotateY(-10deg)rotateX(5deg)}.phone-3d:hover{transform:rotateY(0)rotateX(0)}