@-webkit-keyframes cf4FadeInOut {
 0% { opacity:1; }
 7% { opacity:1; }
 10% { opacity:0; }
 97% { opacity:0; }
 100% { opacity:1; }
}

@-moz-keyframes cf4FadeInOut {
 0% { opacity:1; }
 7% { opacity:1; }
 10% { opacity:0; }
 97% { opacity:0; }
 100% { opacity:1; }
}

@-o-keyframes cf4FadeInOut {
 0% { opacity:1; }
 7% { opacity:1; }
 10% { opacity:0; }
 97% { opacity:0; }
 100% { opacity:1; }
}

@keyframes cf4FadeInOut {
 0% { opacity:1; }
 7% { opacity:1; }
 10% { opacity:0; }
 97% { opacity:0; }
 100% { opacity:1; }
}

#cf4a {
  position:relative;
  height:330px;
  width:400px;
  margin:0 auto;
}
#cf4a img {
  position:absolute;
  left:0;
}

#cf4a img {
  -webkit-animation-name: cf4FadeInOut;
  -webkit-animation-timing-function: ease-in-out;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-duration: 20s;

  -moz-animation-name: cf4FadeInOut;
  -moz-animation-timing-function: ease-in-out;
  -moz-animation-iteration-count: infinite;
  -moz-animation-duration: 20s;

  -o-animation-name: cf4FadeInOut;
  -o-animation-timing-function: ease-in-out;
  -o-animation-iteration-count: infinite;
  -o-animation-duration: 20s;

  animation-name: cf4FadeInOut;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-duration: 20s;
}
#cf4a img:nth-of-type(1) {
  -webkit-animation-delay: 18s;
  -moz-animation-delay: 18s;
  -o-animation-delay: 18s;
  animation-delay: 18s;
}
#cf4a img:nth-of-type(2) {
  -webkit-animation-delay: 16s;
  -moz-animation-delay: 16s;
  -o-animation-delay: 16s;
  animation-delay: 16s;
}
#cf4a img:nth-of-type(3) {
  -webkit-animation-delay: 14s;
  -moz-animation-delay: 14s;
  -o-animation-delay: 14s;
  animation-delay: 14s;
}
#cf4a img:nth-of-type(4) {
  -webkit-animation-delay: 12s;
  -moz-animation-delay: 12s;
  -o-animation-delay: 12s;
  animation-delay: 12s;
}
#cf4a img:nth-of-type(5) {
  -webkit-animation-delay: 10s;
  -moz-animation-delay: 10s;
  -o-animation-delay: 10s;
  animation-delay: 10s;
}
#cf4a img:nth-of-type(6) {
  -webkit-animation-delay: 8s;
  -moz-animation-delay: 8s;
  -o-animation-delay: 8s;
  animation-delay: 8s;
}
#cf4a img:nth-of-type(7) {
  -webkit-animation-delay: 6s;
  -moz-animation-delay: 6s;
  -o-animation-delay: 6s;
  animation-delay: 6s;
}
#cf4a img:nth-of-type(8) {
  -webkit-animation-delay: 4s;
  -moz-animation-delay: 4s;
  -o-animation-delay: 4s;
  animation-delay: 4s;
}
#cf4a img:nth-of-type(9) {
  -webkit-animation-delay: 2s;
  -moz-animation-delay: 2s;
  -o-animation-delay: 2s;
  animation-delay: 2s;
}
#cf4a img:nth-of-type(10) {
  -webkit-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -o-animation-delay: 0s;
  animation-delay: 0s;
}