.flip-btn { position: relative; width: 60px; height: 40px; border: none; background: #333; color: white; font-size: 1.5rem; border-radius: 8px; cursor: pointer; perspective: 600px; /* Enables 3D effect */ } .arrow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); transition: transform 0.5s; backface-visibility: hidden; /* Hide the back when rotated */ } .front { transform: translate(-50%, -50%) rotateY(0deg); } .back { transform: translate(-50%, -50%) rotateY(180deg); } .flip-btn.flipped .front { transform: translate(-50%, -50%) rotateY(180deg); } .flip-btn.flipped .back { transform: translate(-50%, -50%) rotateY(360deg); } @import 'tailwindcss'; :root { font-family: system-ui, Avenir, Helvetica, Arial, sans-serif; line-height: 1.5; font-weight: 400; color-scheme: light dark; color: rgba(255, 255, 255, 0.87); background-color: #242424; font-synthesis: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } a { font-weight: 500; color: #646cff; text-decoration: inherit; } a:hover { color: #535bf2; } body { margin: 0; display: flex; place-items: center; } h1 { font-size: 3.2em; line-height: 1.1; } #app { max-width: 1280px; margin: 0 auto; text-align: center; } .logo { height: 6em; padding: 1.5em; will-change: filter; transition: filter 300ms; } .logo:hover { filter: drop-shadow(0 0 2em #646cffaa); } .logo.vanilla:hover { filter: drop-shadow(0 0 2em #3178c6aa); } .card { padding: 2em; } .read-the-docs { color: #888; }