:root {
      color-scheme: dark;
      --bg: #212121;
      --accent-bg: #2b2b2b;
      --text: #dcdcdc;
      --text-light: #ababab;
      --accent: #ffb300;
      --accent-hover: #ffe099;
      --accent-text: var(--bg);
      --code: #f06292;
      --preformatted: #ccc;
      --disabled: #111;
    }
    img,
    video {
      opacity: 0.8;
    }
  *,
  :before,
  :after {
    box-sizing: border-box;
  }
  textarea,
  select,
  input,
  progress {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }
  html {
    font-family: var(--sans-font);
    scroll-behavior: smooth;
  }
  body {
    color: var(--text);
    background-color: var(--bg);
    grid-template-columns: 1fr min(45rem, 90%) 1fr;
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.5;
    display: grid;
  }
  body > * {
    grid-column: 2;
  }
  body > header {
    background-color: var(--accent-bg);
    border-bottom: var(--border-width) solid var(--border);
    text-align: center;
    grid-column: 1/-1;
    padding: 0 0.5rem 2rem;
  }
  body > header > :only-child {
    margin-block-start: 2rem;
  }
  body > header h1 {
    max-width: 1200px;
    margin: 1rem auto;
  }
  body > header p {
    max-width: 40rem;
    margin: 1rem auto;
  }
  main {
    padding-top: 1.5rem;
  }
  body > footer {
    color: var(--text-light);
    text-align: center;
    border-top: var(--border-width) solid var(--border);
    margin-top: 4rem;
    padding: 2rem 1rem 1.5rem;
    font-size: 0.9rem;
  }
  h1 {
    font-size: 3rem;
  }
  h2 {
    margin-top: 3rem;
    font-size: 2.6rem;
  }
  h3 {
    margin-top: 3rem;
    font-size: 2rem;
  }
  h4 {
    font-size: 1.44rem;
  }
  h5 {
    font-size: 1.15rem;
  }
  h6 {
    font-size: 0.96rem;
  }
  p {
    margin: 1.5rem 0;
  }
  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }
  h1,
  h2,
  h3 {
    line-height: 1.1;
  }