@layer utilities{.perspective-1000{perspective:1000px}}.flashcard-inner{transition:transform .6s;transform-style:preserve-3d}.perspective-1000:hover .flashcard-inner{transform:rotateY(10deg) rotateX(5deg)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#111}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}