/* the element itself is the button; style directly */
scroll-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;

  padding: .4rem .6rem;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
  cursor: pointer;
  user-select: none;

  /* nice focus ring */
  outline: none;
}
scroll-button:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in oklab, CanvasText 40%, transparent);
}
scroll-button[disabled] {
  opacity: .15;
  cursor: default;
  pointer-events: none;
}