pico/scss/layout/_scroller.scss

/**
 * Horizontal scroller (<figure>)
 */

// Wrapper to make any content responsive across all viewports
figure {
  display: block;
  margin: 0;
  padding: 0;
  overflow-x: auto;

  figcaption {
    padding: calc(var(--spacing) * 0.5) 0;
    color: var(--muted-color);
  }
}