.slideshow {
  position:static;
  list-style: none;
  z-index: 0;
}

.slideshow li span {
  width:100% ;
  height: 100%;
  position: relative;
  top:  0px;
  left: 0px;
  color: transparent; /* Color del texto en las slides*/
  background-size:cover;
  background-position: 0% 50%;  /*Posición de la imagen respecto del recuadro contenedor */
  background-repeat: none;
  opacity: 0;
  z-index: 0;
  -webkit-backface-visibility: hidden;
	pointer-events:none; /*Permite traspasar eventos de mouse a la capa debajo de la imagen animada */
  backface-visibility: hidden;
  -webkit-animation: imageAnimation 24s linear infinite 0s;
  -moz-animation: imageAnimation 24s linear infinite 0s;
  animation: imageAnimation 24s linear infinite 0s;
}

.slideshow li h3 {
  position: absolute;
  text-align: center;
  z-index: 2;
  bottom: 150px;
  left: 0;
  right: 0;
  opacity: 0;
  font-size: 2em;
  font-family: 'roboto', sans-serif;
  text-transform: uppercase;
  color: #fff;
  -webkit-animation: titleAnimation 24s linear 1 0s;
  -moz-animation: titleAnimation 24s linear 1 0s;
  animation: titleAnimation 24s linear 1 0s;
}

@media only screen and (min-width: 768px) {

.slideshow li h3 {
  bottom: 30px;
  font-size: 2em;
}
}

@media only screen and (min-width: 1024px) {

.slideshow li h3 { font-size: 2em; }
}

.slideshow li:nth-child(1) span {
   position: absolute;
	background-image: url("slides/uma.jpg"); /* url(https://unsplash.it/7200/4800?image=689);*/
 }

.slideshow li:nth-child(2) span {
   position: absolute;  
  background-image: url("slides/agnes.jpg"); /*url(https://unsplash.it/1800/1600?image=688);*/
  -webkit-animation-delay: 6s;
  -moz-animation-delay: 6s;
  animation-delay: 6s;
}

.slideshow li:nth-child(3) span {
   position: absolute;    
  background-image: url("slides/clase.jpg"); /* url(https://unsplash.it/1800/1600?image=687); */
  -webkit-animation-delay: 12s;
  -moz-animation-delay: 12s;
  animation-delay: 12s;
}

.slideshow li:nth-child(4) span {
   position: absolute;  	
  background-image: url("slides/pizarron.jpg"); /* url(https://unsplash.it/1800/1600?image=289); */
  -webkit-animation-delay: 18s;
  -moz-animation-delay: 18s;
  animation-delay: 18s;
}



 @-webkit-keyframes 
imageAnimation {  0% {
 opacity: 0;
 -webkit-animation-timing-function: ease-in;
}
 12.5% {
 opacity: 1;
 -webkit-animation-timing-function: ease-out;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}
@-moz-keyframes 
imageAnimation {  0% {
 opacity: 0;
 -moz-animation-timing-function: ease-in;
}
 12.5% {
 opacity: 1;
 -moz-animation-timing-function: ease-out;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}
@keyframes 
imageAnimation {  0% {
 opacity: 0;
 -webkit-animation-timing-function: ease-in;
 -moz-animation-timing-function: ease-in;
 animation-timing-function: ease-in;
}
 12.5% {
 opacity: 1;
 -webkit-animation-timing-function: ease-out;
 -moz-animation-timing-function: ease-out;
 animation-timing-function: ease-out;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}
@-webkit-keyframes 
titleAnimation {  0% {
 opacity: 0;
}
 12.5% {
 opacity: 1;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}
@-moz-keyframes 
titleAnimation {  0% {
 opacity: 0;
}
 12.5% {
 opacity: 1;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}
@keyframes 
titleAnimation {  0% {
 opacity: 0;
}
 12.5% {
 opacity: 1;
}
 25% {
 opacity: 1;
}
 37.5% {
 opacity: 0;
}
 100% {
 opacity: 0;
}
}

.no-cssanimations .slideshow li span { opacity: 1; }