:root {
  --text-color: #303036;
  --muted-text-color: #5e5e67;
  --heading-color: #cd2807;
  --link-color: #028090;
  --background-color: #fffdf7;

  --heading-font: "Oswald", sans-serif;
  --body-font: "Source Sans 3", sans-serif;

  --border-radius: 4px;
}

html {
  font-family: var(--body-font);
  font-size: 20px;
  line-height: 1.45;
  color: var(--text-color);
  background-color: var(--background-color);
}

main {
  margin-inline: auto;
  max-width: 65ch;
}

main * {
  margin-block-start: 0;
  margin-block-end: 1rem;
}

img {
  max-width: 100%;
}

figure {
  margin-inline: 0;
}

figure img {
  display: block;
  margin-inline: auto;
  border-radius: var(--border-radius);
}

figcaption {
  margin-block-start: 0.5rem;
  font-size: 0.8rem;
}

h1 {
  border-block-start: 10px solid var(--heading-color);
  margin-block-start: 4rem;
  margin-block-end: 2rem;
  font-family: var(--heading-font);
  font-weight: normal;
}

h2 {
  margin-block-start: 1.5rem;
  margin-block-end: 0.5rem;
  font-family: var(--heading-font);
  font-size: 1.2em;
  font-weight: normal;
  color: var(--heading-color);
}

a {
  color: var(--link-color);
  border-radius: var(--border-radius);
}

a:hover {
  text-decoration: none;
}

abbr {
  text-decoration-color: var(--heading-color);
  text-decoration-thickness: 2px;
}

blockquote {
  margin-inline: 1.5rem 0;
  padding-inline: 1rem;
  border-inline-start: 4px solid var(--heading-color);
  font-size: 0.9rem;
  color: var(--muted-text-color);
}

ul, ol {
  padding-inline-start: 1.5rem;
}

li {
  margin-block: 0 0.5rem;
}

li::marker {
  color: var(--heading-color);
}

pre {
  padding: 1rem;
  background-color: #edebe7;
  border-radius: var(--border-radius);
  overflow-x: auto;
}

pre code {
  margin: 0;
  font-size: 0.75em;
}

footer {
  margin-block-start: 3rem;
  margin-inline: auto;
  padding-block: 1.5rem 3rem;
  border-block-start: 2px solid var(--heading-color);
  max-width: 65ch;
  color: var(--muted-text-color);
}

footer * {
  margin: 0;
  font-size: 0.9rem;
}

.intro {
  margin-block-end: 2rem;
  font-size: 1.2em;
}

.caps {
  text-transform: uppercase;
  font-size: 0.78em;
  font-weight: 600;
  letter-spacing: 0.1em;
}