.cucurella-easter-egg {
  --cucurella-frame-w: 210px;
  --cucurella-frame-h: 180px;
  --cucurella-frames: 24;
  position: fixed;
  left: 0;
  bottom: 0;
  width: var(--cucurella-frame-w);
  height: var(--cucurella-frame-h);
  background-repeat: no-repeat;
  background-size: calc(var(--cucurella-frame-w) * var(--cucurella-frames)) var(--cucurella-frame-h);
  background-position: 0 0;
  pointer-events: none;
  z-index: 99999;
  opacity: 0;
  transform: translateY(var(--cucurella-frame-h));
  transition:
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.45s ease;
  will-change: transform, opacity;
}

.cucurella-easter-egg.is-visible {
  opacity: 1;
  transform: translateY(0);
  animation: cucurella-sprite-strip 1.333s steps(23) infinite;
}

@keyframes cucurella-sprite-strip {
  to {
    background-position: calc(var(--cucurella-frame-w) * -23) 0;
  }
}

@media (max-width: 599px) {
  .cucurella-easter-egg {
    --cucurella-frame-w: 168px;
    --cucurella-frame-h: 144px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cucurella-easter-egg {
    display: none !important;
  }
}