@layer custom {
  :root {
    --section-title-border-style: none; /* none | solid | dashed */
    --section-title-background-color: var(--theme-color);
    --section-title-background-opacity: 15%;
    --section-icon-display: inline-block; /* none | inline-block */
    --section-link-icon-display: inline-block; /* none | inline-block */
  }
}