.sliderx{
  width: 100%;
  max-width: 100%;   /* ajustá si querés */
  height: 550px;      /* ajustá si querés */
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.sliderx img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: fade 40s infinite;
}

/* 8 imágenes => delay cada 5s */
.sliderx img:nth-child(1){ animation-delay: 0s; }
.sliderx img:nth-child(2){ animation-delay: 5s; }
.sliderx img:nth-child(3){ animation-delay: 10s; }
.sliderx img:nth-child(4){ animation-delay: 15s; }
.sliderx img:nth-child(5){ animation-delay: 20s; }
.sliderx img:nth-child(6){ animation-delay: 25s; }
.sliderx img:nth-child(7){ animation-delay: 30s; }
.sliderx img:nth-child(8){ animation-delay: 35s; }

/* Cada imagen se ve 5s */
@keyframes fade{
  0%   { opacity: 0; }
  6%   { opacity: 1; }
  25%  { opacity: 1; }
  31%  { opacity: 0; }
  100% { opacity: 0; }