:root{--ink:#0a0a0a;--paper:#f2f0eb;--rug:#b4362b}*,:before,:after{box-sizing:border-box;border-radius:0;margin:0;padding:0}html,body{background:var(--paper);height:100%;color:var(--ink);-webkit-font-smoothing:antialiased;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;overflow:hidden}button{font:inherit;color:inherit;border:1px solid var(--ink);cursor:pointer;background:0 0}button:disabled{cursor:default;opacity:.3}.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SF Mono,SFMono-Regular,Menlo,monospace}