#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.banner{position:fixed;top:0;left:0;right:0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 0;box-shadow:0 2px 10px #0000001a;z-index:1000}.banner-content{max-width:1280px;margin:0 auto;padding:0 2rem;text-align:center;position:relative}.close-button{position:absolute;top:-.5rem;right:0;background:#fff3;border:none;color:#fff;font-size:1.5rem;font-weight:700;width:2rem;height:2rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease}.close-button:hover{background:#ffffff4d}.close-button:focus{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}.banner-title{margin:0;font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.banner-subtitle{margin:0;font-size:1rem;opacity:.9}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}