app/src/styles/_base.css

@import "https://fonts.googleapis.com/css2?family=Source+Sans+Pro:ital,wght@0,200..900;1,200..900&display=swap";

html { font-size: 16px; line-height: 1.6; }

.content-grid main { color: var(--text-color); }
.content-grid main p { margin: 0 0 var(--spacing-3); }

.content-grid main h2 {
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.2;
  margin: var(--spacing-10) 0 var(--spacing-5);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--border-color);
}

.content-grid main h3 {
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.25;
  margin: var(--spacing-8) 0 var(--spacing-4);
}

.content-grid main h4 {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 14px;
  line-height: 1.2;
  margin: var(--spacing-8) 0 var(--spacing-4);
}

.content-grid main a { color: var(--primary-color); text-decoration: none; border-bottom: 1px solid var(--link-underline); }
.content-grid main a:hover { color: var(--primary-color-hover); border-bottom: 1px solid var(--link-underline-hover); }

/* Do not underline heading links inside the article (not the TOC) */
.content-grid main h2 a,
.content-grid main h3 a,
.content-grid main h4 a,
.content-grid main h5 a,
.content-grid main h6 a { color: inherit; border-bottom: none; text-decoration: none; }
.content-grid main h2 a:hover,
.content-grid main h3 a:hover,
.content-grid main h4 a:hover,
.content-grid main h5 a:hover,
.content-grid main h6 a:hover { color: inherit; border-bottom: none; text-decoration: none; }

.content-grid main ul,
.content-grid main ol { padding-left: 24px; margin: 0 0 var(--spacing-3); }
.content-grid main li { margin-bottom: var(--spacing-2); }
.content-grid main li:last-child { margin-bottom: 0; }

.content-grid main blockquote {
  border-left: 2px solid var(--border-color);
  padding-left: var(--spacing-4);
  font-style: italic;
  color: var(--muted-color);
  margin: var(--spacing-4) 0;
}

.content-grid main hr { border: none; border-bottom: 1px solid var(--border-color); margin: var(--spacing-5) 0; }

.muted {
  color: var(--muted-color);
}

[data-footnote-ref] {
  margin-left: 4px;
}