:root{color-scheme:light dark}html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{--serif: "Optima", serif;--font-size: 16px;--fg: CanvasText;--bg: Canvas;color:var(--fg);font-family:var(--serif);font-size:var(--font-size);max-width:864px;margin:1rem;margin:0 auto}body{min-height:100vh}h1,h2,h3,h4,button,input,label{line-height:1.1}