body {
}

#cf {
  position:relative;
  height:100px;
  width:auto;
  margin: auto;
}

#cf img {
  position:absolute;
  left: 0;
  right:0;
  -webkit-transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -o-transition: opacity 1s ease-in-out;
  transition: opacity 1s ease-in-out;
}

#cf img.top:hover {
  opacity:0;
}

  @keyframes cf3FadeInOut {
  0% {
  opacity:1;
}
45% {
opacity:1;
}
55% {
opacity:0;
}
100% {
opacity:0;
}
}

#cf img.top {
animation-name: cf3FadeInOut;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
animation-duration: 7s;
animation-direction: alternate;
}

#lblBeforeAfter h3 {
  position:absolute;
  left:0;
  right:0;
  -webkit-transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -o-transition: opacity 1s ease-in-out;
  transition: opacity 1s ease-in-out;
}
#lblBeforeAfter {
  position:relative;
  min-height:30px;
  width:auto;
  margin:0 auto;
}
#lblBeforeAfter h3.top:hover {
  opacity:0;
}
#lblBeforeAfter h3.top {
animation-name: cf3FadeInOut;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
animation-duration: 7s;
animation-direction: alternate;
}