:root {
  --font-family:
    ui-sans-serif, system-ui, -apple-system, "BlinkMacSystemFont", "Segoe UI",
    "Roboto", "Helvetica Neue", "Arial", "Noto Sans", sans-serif;
  --mono-family: "Roboto Mono", ui-monospace, SFMono-Regular, monospace;
  --black: #101214;
  --white: #f8f9fa;
  --bg: var(--white);
  --fg: var(--black);
  --bg-hsl: 0 0% 100%;
  --fg-hsl: 0 0% 0%;
  color-scheme: light dark;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--black);
    --fg: var(--white);
    --bg-hsl: 0 0% 0%;
    --fg-hsl: 0 0% 100%;
  }
  html,
  body {
    color-scheme: dark;
  }
}
*,
::before,
::after {
  box-sizing: border-box;
}
html,
body {
  font-family: var(--font-family);
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  margin: 0;
}
main {
  max-width: 32rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}
p {
  margin: 1rem 0;
}
h1 {
  font-size: 2.5rem;
  margin: 0 0 0.75rem;
  font-weight: 100;
}
header {
  text-align: center;
}
section {
  margin: auto;
  padding: 1rem 0 2rem;
}
@media (width > 28rem) {
  header {
    padding: 0 1rem;
  }
}
@media (width <= 25.75rem) {
  main {
    padding: 2rem 0.75rem 4rem;
  }
}
@media (width < 21rem) {
  main {
    padding: 1.5rem 0.375rem 4rem;
  }
}