:root{--primary-color:#2271b1;--text-color:#1d2327;--bg-color:#f0f0f1}body{color:var(--text-color);background-color:var(--bg-color);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}.site-header{background-color:#fff;border-bottom:1px solid #dcdcde;padding:1rem 2rem}.site-main{max-width:1200px;margin:2rem auto;padding:0 1rem}