*{box-sizing:border-box}body{color:#17323d;background:#f3f6f7;min-height:100vh;margin:0;padding:clamp(1rem,4vw,3rem);font-family:system-ui,sans-serif}.greeting{overflow-wrap:anywhere;background:#fff;border:1px solid #c6d8de;border-radius:1rem;width:100%;max-width:42rem;margin:8vh auto;padding:clamp(1rem,5vw,3rem)}h1{font-size:clamp(1.5rem,5vw,2.25rem)}p{line-height:1.6}button{color:#fff;max-width:100%;min-height:44px;font:inherit;cursor:pointer;background:#145565;border:0;border-radius:.5rem;padding:.7rem 1rem}button:disabled{opacity:.65;cursor:wait}button:focus-visible{outline-offset:4px;outline:3px solid #197ea0}