:root {
  --horizontal-rule-color: var(--color-cyan-light);
  --horizontal-rule-thickness: 2px;
  --horizontal-rule-width: 100%;
  --horizontal-rule-margin-inline: auto;
  --horizontal-rule-margin-block: 0;
}

.horizontal-rule {
  border-block-start: var(--horizontal-rule-thickness) solid var(--horizontal-rule-color);
  clear: both;
  inline-size: var(--horizontal-rule-width);
  margin-block: var(--horizontal-rule-margin-block);
  margin-inline: var(--horizontal-rule-margin-inline);
}