@keyframes slideshow__fade {
  0% {
    opacity: 0;
    z-index: 2;
  }
  3.6666666667% {
    opacity: 1;
  }
  29.6666666667% {
    opacity: 1;
  }
  30.6666666667% {
    opacity: 0;
    z-index: 1;
  }
  100% {
    opacity: 0;
  }
}
@-webkit-keyframes slideshow__fade {
  0% {
    opacity: 0;
    z-index: 2;
  }
  3.6666666667% {
    opacity: 1;
  }
  29.6666666667% {
    opacity: 1;
  }
  30.6666666667% {
    opacity: 0;
    z-index: 1;
  }
  100% {
    opacity: 0;
  }
}
@-moz-keyframes slideshow__fade {
  0% {
    opacity: 0;
    z-index: 2;
  }
  3.6666666667% {
    opacity: 1;
  }
  29.6666666667% {
    opacity: 1;
  }
  30.6666666667% {
    opacity: 0;
    z-index: 1;
  }
  100% {
    opacity: 0;
  }
}

.diaporama{
    padding: 15px;
    position: relative;
}
.diaporama img:not(:first-child) {
    position: absolute;
    border-radius: 10px;
    left: 15px;
    top: 15px;
    margin: 0 auto;
    animation-duration: 120s; 
    animation-fill-mode: both;
    animation-iteration-count: infinite;
    animation-name: slideshow__fade;
    animation-timing-function: ease-in;
    transition: opacity 2s ease-in;
}
.diaporama img:nth-child(1) {
    border-radius: 10px;
    animation-delay: 0s;
}
.diaporama img:nth-child(2) {
    border-radius: 10px;
    animation-delay: 10s;
}
.diaporama img:nth-child(3) {
    border-radius: 10px;
    animation-delay: 20s;
}
.diaporama img:nth-child(4) {
    border-radius: 10px;
    animation-delay: 30s;
}
.diaporama img:nth-child(5) {
    border-radius: 10px;
    animation-delay: 40s;
}
.diaporama img:nth-child(6) {
    border-radius: 10px;
    animation-delay: 50s;
}
.diaporama img:nth-child(7) {
    border-radius: 10px;
    animation-delay: 60s;
}
.diaporama img:nth-child(8) {
    border-radius: 10px;
    animation-delay: 70s;
}
.diaporama img:nth-child(9) {
    border-radius: 10px;
    animation-delay: 80s;
}
.diaporama img:nth-child(10) {
    border-radius: 10px;
    animation-delay: 90s;
}
.diaporama img:nth-child(11) {
    border-radius: 10px;
    animation-delay: 100s;
}
.diaporama img:nth-child(12) {
    border-radius: 10px;
    animation-delay: 110s;
}


.diapo{
    position: relative;
}

.diapo img{
    border-radius:10px;
}

.diapo > img:not(:first-child) {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    animation-duration: 120s; 
    animation-fill-mode: both;
    animation-iteration-count: infinite;
    animation-name: slideshow__fade;
    animation-timing-function: ease-in;
    transition: opacity 2s ease-in;
}
.diapo img:nth-child(1) {
    animation-delay: 0s;
}
.diapo img:nth-child(2) {
    animation-delay: 10s;
}
.diapo img:nth-child(3) {
    animation-delay: 20s;
}
.diapo img:nth-child(4) {
    animation-delay: 30s;
}
.diapo img:nth-child(5) {
    animation-delay: 40s;
}
.diapo img:nth-child(6) {
    animation-delay: 50s;
}
.diapo img:nth-child(7) {
    animation-delay: 60s;
}
.diapo img:nth-child(8) {
    animation-delay: 70s;
}
.diapo img:nth-child(9) {
    animation-delay: 80s;
}
.diapo img:nth-child(10) {
    animation-delay: 90s;
}
.diapo img:nth-child(11) {
    animation-delay: 100s;
}
.diapo img:nth-child(12) {
    animation-delay: 110s;
}