Typography & radius

TypeScript
theme: {
  fonts: {
    sans: "Inter, sans-serif",          // body text
    mono: "JetBrains Mono, monospace",  // code
    heading: "Georgia, serif",          // h1 – h4
  },
  radius: "24px",                        // slides, cards, callouts, code blocks
}

The showcase deck uses a serif heading font and a 24px radius: