/**
 * UI/UX section SPA: fade only #spa-main-content (same pattern as graphic/css/graphic.css).
 */

.spa-main-host {
  transition: opacity 300ms ease;
}

.spa-main-host.spa-main--fading-out {
  opacity: 0;
}

.spa-main-host:not(.spa-main--fading-out) {
  opacity: 1;
}