.chapter-byline {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
  padding-bottom: 12px;
}

.chapter-byline p {
  margin: 0;
}

.chapter-lead {
  color: var(--ink);
  font-size: 19px;
  line-height: 1.7;
}

.formula {
  background: var(--soft);
  border-left: 4px solid var(--brand);
  color: var(--brand-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  max-width: 100%;
  overflow-x: auto;
  padding: 12px 18px;
}

.program-listing {
  padding: 0;
  text-align: left;
}

.program-listing pre {
  margin: 0;
}

.program-listing figcaption {
  padding: 10px 16px 12px;
}

.table-scroll {
  margin: 24px 0;
  overflow-x: auto;
}

.table-scroll:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.table-scroll table {
  margin: 0;
  min-width: 680px;
}

.comparison-table th:first-child {
  min-width: 10rem;
}

.component-list {
  display: grid;
  grid-template-columns: minmax(16rem, 0.4fr) minmax(0, 1fr);
  margin: 24px 0;
}

.component-list dt,
.component-list dd {
  border-bottom: 1px solid var(--line);
  margin: 0;
  padding: 13px 0;
}

.component-list dt {
  color: var(--brand-dark);
  font-weight: 700;
  padding-right: 20px;
}

.component-list dd {
  color: var(--ink);
}

.references a {
  overflow-wrap: anywhere;
}

.diagram-scroll:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.test-sequence {
  padding-left: 24px;
}

.test-sequence li {
  margin-bottom: 12px;
}

@media (max-width: 820px) {
  .chapter-lead {
    font-size: 18px;
  }

  .table-scroll {
    margin-left: -16px;
    margin-right: -16px;
    padding: 0 16px 8px;
  }

  .component-list {
    grid-template-columns: 1fr;
  }

  .component-list dt {
    border-bottom: 0;
    padding-bottom: 2px;
    padding-right: 0;
  }

  .component-list dd {
    padding-top: 2px;
  }

}

@media (min-width: 821px) and (max-width: 1040px) {
  .component-list {
    grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  }
}

@media (max-width: 1040px) {
  #figure-4-1 .diagram-scroll {
    overflow-x: auto;
  }

  #figure-4-1 .diagram {
    max-width: none;
    width: 720px;
  }
}