@keyframes flipOutX { from { transform: perspective(400px); } 30% { transform: perspective(400px) rotate3d(1, 0, 0, -20deg); opacity: 1; } to { transform: perspective(400px) rotate3d(1, 0, 0, 90deg); opacity: 0; } } .flipOutX { animation-duration: calc(var(--animate-duration) * 0.75); animation-name: flipOutX; backface-visibility: visible !important; }