:root{font-family:Segoe UI,Roboto,system-ui,Avenir,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6;font-weight:400;color:#f5f5f5;background-color:#353839;color-scheme:dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;display:flex;flex-direction:column;align-items:center;min-height:100vh}a{font-weight:500;color:#4ea1ff;text-decoration:none;margin:0 12px}a:hover{color:#80c7ff}h1,h2,h3{margin:0 0 .5em;font-weight:700}h1{font-size:2.5rem}p{margin:.5em 0;max-width:800px}nav{width:100%;background-color:#1f5673;padding:1rem 2rem;display:flex;justify-content:center;box-shadow:0 2px 4px #00000080;position:sticky;top:0;z-index:10}main{padding:2rem;max-width:960px;width:100%}button{border-radius:6px;border:none;padding:.6em 1.2em;font-size:1em;font-weight:500;background-color:#1f5673;color:#fff;cursor:pointer;transition:background-color .25s ease}button:hover{background-color:#759fbc}section{text-align:center;margin-top:3rem}